| H(+) Pump use Proton Pumps | 
              | H(+)-K(+)-Exchanging ATPase | 
              | H(+)-K(+)-Transporting ATPase use H(+)-K(+)-Exchanging ATPase | 
              | H(+)-Transporting ATP Synthase use Proton-Translocating ATPases | 
              | H(+)-Transporting ATPase use Proton-Translocating ATPases | 
              | H(+)ATPase Complex use Proton-Translocating ATPases | 
              | H-1 parvovirus | 
              | H-2 Antigens | 
              | H-7 use 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine | 
              | H-D Antibodies use Antibodies, Heterophile | 
              | H-D Antigens use Antigens, Heterophile | 
              | H-GRF55 Protein use ras-GRF1 | 
              | H-Protein, Glycine Cleavage System use Glycine Decarboxylase Complex H-Protein | 
              | H-Reflex | 
              | h-Strophanthin use Cymarine | 
              | H-Y Antigen | 
              | H1N1 Virus use Influenza A Virus, H1N1 Subtype | 
              | H2N2 Virus use Influenza A Virus, H2N2 Subtype | 
              | H3N2 Virus use Influenza A Virus, H3N2 Subtype | 
              | H3N8 Virus use Influenza A Virus, H3N8 Subtype | 
              | H5N1 Virus use Influenza A Virus, H5N1 Subtype | 
              | H5N2 Virus use Influenza A Virus, H5N2 Subtype | 
              | H7N7 Virus use Influenza A Virus, H7N7 Subtype | 
              | H9N2 Virus use Influenza A Virus, H9N2 Subtype | 
              | Ha-ras Genes use Genes, ras | 
              | HAART use Antiretroviral Therapy, Highly Active | 
              | Habenula | 
              | Habilitation use Rehabilitation | 
              | Habit Disturbances use Habits | 
              | Habit Spasm use Tics | 
              | Habitat | 
              | Habits | 
              | Habituation, Psychophysiologic | 
              | Habronema use Spiruroidea | 
              | Habronemiasis use Spirurida Infections | 
              | Habu use Trimeresurus | 
              | HACCP use Hazard Analysis and Critical Control Point | 
              | Hackberry use Ulmaceae | 
              | Haem Oxygenase use Heme Oxygenase (Decyclizing) | 
              | haematobia irritans use Muscidae | 
              | Haematopinus use Anoplura | 
              | Haematoxylum campechianum | 
              | Haemobartonella use Mycoplasma | 
              | Haemobartonellosis use Anaplasmataceae Infections | 
              | Haemonchiasis | 
              | Haemonchus | 
              | Haemophilus | 
              | Haemophilus ducreyi | 
              | Haemophilus Infections | 
              | Haemophilus influenzae | 
              | Haemophilus influenzae type b | 
              | Haemophilus influenzae Vaccines use Haemophilus Vaccines | 
              | Haemophilus paragallinarum | 
              | Haemophilus parainfluenzae | 
              | Haemophilus paraphrophilus | 
              | Haemophilus parasuis | 
              | Haemophilus pertussis use Bordetella pertussis | 
              | Haemophilus pleuropneumoniae use Actinobacillus pleuropneumoniae | 
              | Haemophilus somnus | 
              | Haemophilus Vaccines | 
              | Haemophilus vaginalis use Gardnerella vaginalis | 
              | Haemosporida | 
              | Hafnia | 
              | Hafnia alvei | 
              | Hafnium | 
              | Hageman Factor use Factor XII | 
              | Hageman Trait use Factor XII Deficiency | 
              | Hagfishes | 
              | Hahnemannian Method | 
              | Hail | 
              | Hail Storm | 
              | Hailey-Hailey Disease use Pemphigus, Benign Familial | 
              | Hailstone use Hail | 
              | Hailstorm use Hail Storm | 
              | Hair | 
              | Hair Balls use Bezoars | 
              | Hair Cells, Ampulla | 
              | Hair Cells, Auditory | 
              | Hair Cells, Auditory, Inner | 
              | Hair Cells, Auditory, Outer | 
              | Hair Cells, Vestibular | 
              | Hair Color | 
              | Hair Colorants use Hair Dyes | 
              | Hair Diseases | 
              | Hair Dresser use Barbering | 
              | Hair Dressing Salon use Beauty and Aesthetics Centers | 
              | Hair Dyes | 
              | Hair Follicle | 
              | Hair Preparations | 
              | Hair Removal | 
              | Hair, Fetal use Hair | 
              | Hair-Specific Cytokeratins use Keratins, Hair-Specific | 
              | Hairdresser use Barbering | 
              | Hairdressing Salon use Beauty and Aesthetics Centers | 
              | Hairdressing Salons use Beauty and Aesthetics Centers | 
              | Hairless Mice use Mice, Hairless | 
              | Hairy Cell Leukemia use Leukemia, Hairy Cell | 
              | Haiti | 
              | Hajdu-Cheney Syndrome | 
              | Hakes use Gadiformes | 
              | Hakim Syndrome use Hydrocephalus, Normal Pressure | 
              | Halcinonide | 
              | Half-Body Irradiation use Hemibody Irradiation | 
              | Half-Life | 
              | Half-Sib Mating use Inbreeding | 
              | Halfway Houses | 
              | Haliaeetus use Eagles | 
              | Halichoerus grypus use Seals, Earless | 
              | Haliclona | 
              | Halide | 
              | Halitosis | 
              | Hall Aqua | 
              | Hallermann's Syndrome | 
              | Hallermann-Streiff Syndrome use Hallermann's Syndrome | 
              | Hallopeau-Siemens Disease use Epidermolysis Bullosa Dystrophica | 
              | Hallucinations | 
              | Hallucinogens | 
              | Hallux | 
              | Hallux Abductovalgus use Hallux Valgus | 
              | Hallux Limitus | 
              | Hallux Rigidus | 
              | Hallux Valgus | 
              | Hallux Varus | 
              | Halo Effect use Effect Modifiers (Epidemiology) | 
              | Haloarcula | 
              | Haloarcula marismortui | 
              | Halobacteria use Euryarchaeota | 
              | Halobacteriaceae | 
              | Halobacteriales | 
              | Halobacterium | 
              | Halobacterium halobium use Halobacterium salinarum | 
              | Halobacterium marismortui use Haloarcula marismortui | 
              | Halobacterium salinarum | 
              | Halococcus | 
              | Halofenate | 
              | Haloferax | 
              | Haloferax mediterranei | 
              | Haloferax volcanii | 
              | Halogenated Diphenyl Ethers | 
              | Halogenated Hydrocarbons use Hydrocarbons, Halogenated | 
              | Halogenated Pollutants | 
              | Halogenation | 
              | Halogens | 
              | Halogeton use Chenopodiaceae | 
              | Halomonadaceae | 
              | Halomonas | 
              | Halomonas elongata use Halomonas | 
              | Haloperidol | 
              | Halophiles, Extreme use Halobacteriales | 
              | Halophytes use Salt-Tolerant Plants | 
              | Halorhodopsin use Halorhodopsins | 
              | Halorhodopsins | 
              | Halorhodospira halophila | 
              | Halorubrum | 
              | Halothane | 
              | Halothiobacillus | 
              | Halothiobacillus neapolitanus use Halothiobacillus | 
              | Halsted Mastectomy use Mastectomy, Radical | 
              | Hamadryas Baboon use Papio hamadryas | 
              | Hamamelidaceae | 
              | Hamamelis | 
              | Hamamelis virginiana | 
              | Hamartoma | 
              | Hamartoma Syndrome, Multiple | 
              | Hamate Bone | 
              | Hamelia | 
              | Hamman-Rich Syndrome use Pulmonary Fibrosis | 
              | Hammer Toe use Hammer Toe Syndrome | 
              | Hammer Toe Syndrome | 
              | Hamsters use Cricetinae | 
              | Hamsters, Armenian use Cricetulus | 
              | Hamsters, Chinese use Cricetulus | 
              | Hamsters, Djungarian use Phodopus | 
              | Hamsters, Golden use Mesocricetus | 
              | Hamsters, Golden Syrian use Mesocricetus | 
              | Hamsters, Grey use Cricetulus | 
              | Hamsters, Siberian use Phodopus | 
              | Hamsters, Syrian use Mesocricetus | 
              | Hand | 
              | Hand Bones | 
              | Hand Deformities | 
              | Hand Deformities, Acquired | 
              | Hand Deformities, Congenital | 
              | Hand Dermatoses | 
              | Hand Injuries | 
              | Hand Joints | 
              | Hand Lotions use Beauty Lotions | 
              | Hand Strength | 
              | Hand, Foot and Mouth Disease | 
              | Hand-Arm Vibration Syndrome | 
              | Handbooks | 
              | Handedness use Functional Laterality | 
              | Handicapped use Disabled Persons | 
              | Handicapped Advocacy | 
              | Handicapped Children use Disabled Children | 
              | Handicapped Rights use Handicapped Advocacy | 
              | Handling (Psychology) | 
              | Handpumps | 
              | Handwashing | 
              | Handwriting | 
              | Hanganutziu-Deicher Antibodies use Antibodies, Heterophile | 
              | Hanganutziu-Deicher Antigens use Antigens, Heterophile | 
              | Hansen's Disease use Leprosy | 
              | Hanseniaspora | 
              | Hansenula use Pichia | 
              | Hantaan virus | 
              | Hantavirus | 
              | Hantavirus Infections | 
              | Hantavirus Pulmonary Syndrome | 
              | Hapale use Callithrix | 
              | Hapalemur use Lemuridae | 
              | Haploidy | 
              | Haplopappus | 
              | Haplophyllum use Rutaceae | 
              | Haplorhini | 
              | Haplosporida | 
              | Haplosporidia use Haplosporida | 
              | Haplotypes | 
              | Happiness | 
              | Happy Puppet Syndrome use Angelman Syndrome | 
              | Haptens | 
              | Haptoglobins | 
              | Harassment, Nonsexual use Social Behavior | 
              | Harassment, Sexual use Sexual Harassment | 
              | Harbor Porpoise use Phocoena | 
              | Harbor Sanitation | 
              | Harbors use Harbor Sanitation | 
              | Hard of Hearing Persons use Hearing Impaired Persons | 
              | Hard Palate use Palate, Hard | 
              | Harderian Gland | 
              | Hardness | 
              | Hardness Tests | 
              | Hardware, Computer use Computers | 
              | Hardwater use Water Hardness | 
              | Hardy-Zuckerman feline sarcoma virus use Sarcoma Viruses, Feline | 
              | Hare's Ear use Bupleurum | 
              | Harelip use Cleft Lip | 
              | Hares | 
              | Harlequin Fetus use Ichthyosis, Lamellar | 
              | Harm Minimization use Harm Reduction | 
              | Harm Reduction | 
              | Harmaline | 
              | Harmidine use Harmaline | 
              | Harmine | 
              | Harpacticoida use Copepoda | 
              | Harpagophytum | 
              | Harpagophytum procumbens | 
              | Harpullia use Sapindaceae | 
              | Harringtonines | 
              | Harrisonia use Simaroubaceae | 
              | Hartmannella | 
              | Hartnup Disease | 
              | Harvest Mites use Trombiculidae | 
              | Harvey murine sarcoma virus | 
              | Harvey Sarcoma Virus use Harvey murine sarcoma virus | 
              | Hashimoto Disease | 
              | Hashimoto's Disease use Hashimoto Disease | 
              | Hashish use Cannabis | 
              | Hashish Abuse use Marijuana Abuse | 
              | Hashish Smoking use Marijuana Smoking | 
              | Hate | 
              | Haversian System | 
              | Hawaii | 
              | Hawk's Beard use Crepis | 
              | Hawks | 
              | Hawthorn use Crataegus | 
              | Hawthorne Effect use Effect Modifiers (Epidemiology) | 
              | Hay Fever use Rhinitis, Allergic, Seasonal | 
              | Hazard Analysis and Critical Control Point | 
              | Hazard Management use Safety Management | 
              | Hazard, Internal use Internal Hazard | 
              | Hazard, Total use Total Hazard | 
              | Hazardous Chemicals use Hazardous Substances | 
              | Hazardous Materials use Hazardous Substances | 
              | Hazardous Materials Escape | 
              | Hazardous Materials Spill | 
              | Hazardous Materials Spill in Soil | 
              | Hazardous Materials Spill in the Ocean | 
              | Hazardous Substances | 
              | Hazardous Substances and Wastes Stockpiling | 
              | Hazardous Substances, Products and Materials | 
              | Hazardous Waste | 
              | Hazardous Waste Characteristics | 
              | Hazardous Waste Containers | 
              | Hazardous Waste Deep-Well Injection | 
              | Hazardous Waste Disposal | 
              | Hazardous Waste Minimization | 
              | Hazardous Waste Sites use Hazardous Waste | 
              | Hazardous Waste Storage | 
              | Hazardous Waste Treatment Plants | 
              | Hazardous Waste Use | 
              | Hazardous Waste, Radioactive use Radioactive Waste | 
              | Hazards | 
              | Hazards Models use Proportional Hazards Models | 
              | Hazards, Equipment use Equipment Safety | 
              | Hazelnut use Corylus | 
              | Hb A1c use Hemoglobin A, Glycosylated | 
              | HbA1 use Hemoglobin A, Glycosylated | 
              | HBAg use Hepatitis B Antigens | 
              | HBcAg use Hepatitis B Core Antigens | 
              | HBeAg use Hepatitis B e Antigens | 
              | HBGF-1 use Fibroblast Growth Factor 1 | 
              | HBGF-2 use Fibroblast Growth Factor 2 | 
              | HBLV use Herpesvirus 6, Human | 
              | HBsAg use Hepatitis B Surface Antigens | 
              | HBV use Hepatitis B virus | 
              | HCB use Hexachlorobenzene | 
              | HCG (Human Chorionic Gonadotropin) use Chorionic Gonadotropin | 
              | hCG Receptors use Receptors, LH | 
              | HCG, alpha Subunit use Glycoprotein Hormones, alpha Subunit | 
              | HCG-beta use Chorionic Gonadotropin, beta Subunit, Human | 
              | hck Proto-Oncogene Proteins use Proto-Oncogene Proteins c-hck | 
              | HCPCS use Healthcare Common Procedure Coding System | 
              | HCT116 Cells | 
              | HCV use Hepacivirus | 
              | HCV Antibodies use Hepatitis C Antibodies | 
              | HDPE use Polyethylene | 
              | HDPE Pipes use Polyethylene Pipes | 
              | Head | 
              | Head and Neck Cancer use Head and Neck Neoplasms | 
              | Head and Neck Neoplasms | 
              | Head Banging use Stereotypic Movement Disorder | 
              | Head Cancer use Head and Neck Neoplasms | 
              | Head Injuries use Craniocerebral Trauma | 
              | Head Injuries, Closed | 
              | Head Injuries, Nonpenetrating use Head Injuries, Closed | 
              | Head Injuries, Penetrating | 
              | Head Lice use Pediculus | 
              | Head Loss | 
              | Head Movements | 
              | Head Nurses use Nursing, Supervisory | 
              | Head Protective Devices | 
              | Head Start Program use Early Intervention (Education) | 
              | Head Trauma use Craniocerebral Trauma | 
              | Head Trauma, Closed use Head Injuries, Closed | 
              | Head-Down Tilt | 
              | Headache | 
              | Headache Disorders | 
              | Headache Disorders, Primary | 
              | Headache Disorders, Secondary | 
              | Headache, Cluster use Cluster Headache | 
              | Headache, Migraine use Migraine Disorders | 
              | Headache, Tension use Tension-Type Headache | 
              | Headache, Vascular use Vascular Headaches | 
              | Headgear, Orthodontic use Extraoral Traction Appliances | 
              | Health | 
              | Health Administration | 
              | Health Administration and Planning use Health Policy, Planning and Management | 
              | Health Advocacy | 
              | Health Alliances use Insurance Pools | 
              | Health and Environment use Environmental Health | 
              | Health and Inequality use Health Inequalities | 
              | Health and the Environment use Environmental Health | 
              | Health and Welfare Planning use Health Planning | 
              | Health Behavior | 
              | Health Benefit Plans, Employee | 
              | Health Benefits use Insurance Benefits | 
              | Health Campaigns use Health Promotion | 
              | Health Care use Delivery of Health Care | 
              | Health Care (Public Health) | 
              | Health Care Coalitions | 
              | Health Care Costs | 
              | Health Care Delivery use Delivery of Health Care | 
              | Health Care Economics and Organizations | 
              | Health Care Evaluation Mechanisms | 
              | Health Care Facilities, Manpower, and Services | 
              | Health Care Financing Administration (U.S.) use Centers for Medicare and Medicaid Services (U.S.) | 
              | Health Care Fraud use Fraud | 
              | Health Care Levels | 
              | Health Care Market use Health Care Sector | 
              | Health Care Power of Attorney use Advance Directives | 
              | Health Care Providers use Health Personnel | 
              | Health Care Quality, Access, and Evaluation | 
              | Health Care Rationing | 
              | Health Care Reform | 
              | Health Care Research use Health Services Research | 
              | Health Care Sector | 
              | Health Care Seeking Behavior use Patient Acceptance of Health Care | 
              | Health Care Surveys | 
              | Health Care Systems use Delivery of Health Care | 
              | Health Care Team use Patient Care Team | 
              | Health Care Technology use Biomedical Technology | 
              | Health Centers | 
              | Health Centers, Ambulatory use Ambulatory Care Facilities | 
              | Health Certificate | 
              | Health Clubs use Fitness Centers | 
              | Health Communication | 
              | Health Conditions use Health Status | 
              | Health Conferences | 
              | Health Consortia | 
              | Health Consortium use Health Consortia | 
              | Health Control use Health Surveillance | 
              | Health Costs, Employer use Employer Health Costs | 
              | Health Councils | 
              | Health Danger Provoked by Substances, Products and Materials | 
              | Health Defense use Health Advocacy | 
              | Health Diaries use Medical Records | 
              | Health Economics | 
              | Health Education | 
              | Health Education, Dental | 
              | Health Educators | 
              | Health Effects of Disasters | 
              | Health Evaluation | 
              | Health Expenditures | 
              | Health Facilities | 
              | Health Facilities, Proprietary | 
              | Health Facility Acquisition use Health Facility Merger | 
              | Health Facility Administrators | 
              | Health Facility Closure | 
              | Health Facility Conversion use Health Facility Planning | 
              | Health Facility Environment | 
              | Health Facility Merger | 
              | Health Facility Moving | 
              | Health Facility Planning | 
              | Health Facility Size | 
              | Health Fairs | 
              | Health Financial Support use Financing, Health | 
              | Health Food | 
              | Health for All by the Year 2000 use World Strategies | 
              | Health Human Resource Evaluation | 
              | Health Human Resource Training | 
              | Health Inequalities | 
              | Health Inequality use Health Inequalities | 
              | Health Inequity use Health Inequalities | 
              | Health Information, Consumer use Consumer Health Information | 
              | Health Infrastructure | 
              | Health Insurance use Insurance, Health | 
              | Health Insurance for Aged and Disabled, Title 18 use Medicare | 
              | Health Insurance Portability and Accountability Act | 
              | Health Insurance Reimbursement use Insurance, Health, Reimbursement | 
              | Health Insurance, Voluntary use Insurance, Health | 
              | Health Investment Reorientation use Investments | 
              | Health Investments use Investments | 
              | Health Knowledge, Attitudes, Practice | 
              | Health Law | 
              | Health Legislation use Legislation as Topic | 
              | Health Maintenance Organizations | 
              | Health Management | 
              | Health Manager | 
              | Health Managers use Health Manager | 
              | Health Manpower | 
              | Health Occupations | 
              | Health Occupations Manpower use Health Manpower | 
              | Health Occupations Schools use Schools, Health Occupations | 
              | Health of Aged Persons use Health of the Elderly | 
              | Health of Disabled People use Disabled Health | 
              | Health of Disabled Persons use Disabled Health | 
              | Health of Elders use Health of the Elderly | 
              | Health of Handicapped Persons use Disabled Health | 
              | Health of Institutionalized Adolescents | 
              | Health of Institutionalized Children | 
              | Health of Institutionalized Elderly | 
              | Health of Native Populations use Indigenous Health | 
              | Health of People with Disabilities use Disabled Health | 
              | Health of Persons with Disabilities use Disabled Health | 
              | Health of Rural Populations use Rural Health | 
              | Health of Specific Groups | 
              | Health of Specific Population Groups use Health of Specific Groups | 
              | Health of the Aged use Health of the Elderly | 
              | Health of the Disabled use Disabled Health | 
              | Health of the Elderly | 
              | Health of the Handicapped use Disabled Health | 
              | Health of Travelers use Travelers' Health | 
              | Health of Travellers use Travelers' Health | 
              | Health of Urban Populations use Urban Health | 
              | Health Organizations | 
              | Health Personnel | 
              | Health Personnel Administration use Health Personnel Management | 
              | Health Personnel Management | 
              | Health Physics | 
              | Health Plan Implementation | 
              | Health Planning | 
              | Health Planning Councils | 
              | Health Planning Guidelines | 
              | Health Planning Organizations | 
              | Health Planning Support | 
              | Health Planning Technical Assistance | 
              | Health Plans and Programmes use Health Programs and Plans | 
              | Health Plans and Programs use Health Programs and Plans | 
              | Health Plans, Accountable use Managed Competition | 
              | Health Plans, Prepaid use Prepaid Health Plans | 
              | Health Plans, Programs and Projects use Health Programs and Plans | 
              | Health Policy | 
              | Health Policy, Planning and Management | 
              | Health Postgraduate Programs | 
              | Health Posts use Health Centers | 
              | Health Priorities | 
              | Health Priority Agenda | 
              | Health Professions use Health Occupations | 
              | Health Profile | 
              | Health Program and Project Evaluation use Program Evaluation | 
              | Health Programmes and Plans use Health Programs and Plans | 
              | Health Programmes and Projects use Health Programs and Plans | 
              | Health Programs and Plans | 
              | Health Programs and Projects use Health Programs and Plans | 
              | Health Promotion | 
              | Health Psychology use Behavioral Medicine | 
              | Health Public Policy | 
              | Health Quality Management use Quality Management | 
              | Health Records, Personal use Medical Records | 
              | Health Regulation and Fiscalization | 
              | Health Research Agenda | 
              | Health Research Evaluation | 
              | Health Research Plans and Programs | 
              | Health Research Policy | 
              | Health Resorts | 
              | Health Resources | 
              | Health Resources Administration (U.S.) use United States Health Resources and Services Administration | 
              | Health Rights use Right to Health | 
              | Health Risk | 
              | Health Risk Appraisal use Health Status Indicators | 
              | Health Sciences | 
              | Health Sciences, Technology and Innovation Management | 
              | Health Service Area use Catchment Area (Health) | 
              | Health Services | 
              | Health Services Accessibility | 
              | Health Services Administration | 
              | Health Services and Mental Health Administration (U.S.) use United States Substance Abuse and Mental Health Services Administration | 
              | Health Services Coverage | 
              | Health Services Epidemiology | 
              | Health Services Evaluation | 
              | Health Services for the Aged | 
              | Health Services Marketing use Marketing of Health Services | 
              | Health Services Misuse | 
              | Health Services Needs and Demand | 
              | Health Services Package use Basic Health Services | 
              | Health Services Research | 
              | Health Services Statistics | 
              | Health Services, Adolescent use Adolescent Health Services | 
              | Health Services, Indigenous | 
              | Health Services, Women's use Women's Health Services | 
              | Health Situation Assessment use Diagnosis of Health Situation | 
              | Health Statistics | 
              | Health Status | 
              | Health Status Disparities | 
              | Health Status Index use Health Status Indicators | 
              | Health Status Indicators | 
              | Health Status of Institutionalized Adolescents use Health of Institutionalized Adolescents | 
              | Health Status of Institutionalized Children use Health of Institutionalized Children | 
              | Health Status of Institutionalized Elderly use Health of Institutionalized Elderly | 
              | Health Surveillance | 
              | Health Surveillance of Environments | 
              | Health Surveillance of Health Services | 
              | Health Surveillance of Products | 
              | Health Surveillance Services | 
              | Health Surveillance System | 
              | Health Surveys | 
              | Health System use Health Systems | 
              | Health Systems | 
              | Health Systems Agencies | 
              | Health Systems Plans | 
              | Health Technology use Biomedical Technology | 
              | Health Transition | 
              | Health Visitors use Community Health Nursing | 
              | Health Vulnerability | 
              | Health-Disease Process | 
              | Healthcare Common Procedure Coding System | 
              | Healthcare Disparities | 
              | Healthcare Industry use Health Care Sector | 
              | Healthcare Surveys use Health Care Surveys | 
              | Healthy Agriculture use Organic Agriculture | 
              | Healthy City | 
              | Healthy Municipality use Healthy City | 
              | Healthy People 2010 use Healthy People Programs | 
              | Healthy People Programs | 
              | Healthy Worker Effect | 
              | Hearing | 
              | Hearing Aids | 
              | Hearing Disorders | 
              | Hearing Impaired Persons | 
              | Hearing Impaired Rehabilitation use Rehabilitation of Hearing Impaired | 
              | Hearing Impairment use Hearing Loss | 
              | Hearing Loss | 
              | Hearing Loss, Bilateral | 
              | Hearing Loss, Central | 
              | Hearing Loss, Conductive | 
              | Hearing Loss, Functional | 
              | Hearing Loss, High-Frequency | 
              | Hearing Loss, Mixed Conductive-Sensorineural | 
              | Hearing Loss, Noise-Induced | 
              | Hearing Loss, Nonorganic use Hearing Loss, Functional | 
              | Hearing Loss, Sensorineural | 
              | Hearing Loss, Sudden | 
              | Hearing Loss, Unilateral | 
              | Hearing Protective Devices use Ear Protective Devices | 
              | Hearing Tests | 
              | Heart | 
              | Heart Abnormalities use Heart Defects, Congenital | 
              | Heart Aneurysm | 
              | Heart Arrest | 
              | Heart Arrest, Induced | 
              | Heart Atria | 
              | Heart Atrium use Heart Atria | 
              | Heart Atrium Appendage use Atrial Appendage | 
              | Heart Auscultation | 
              | Heart Block | 
              | Heart Bypass, Left | 
              | Heart Bypass, Right | 
              | Heart Catheterization | 
              | Heart Conduction System | 
              | Heart Contractility use Myocardial Contraction | 
              | Heart Decompensation use Heart Failure | 
              | Heart Defects, Congenital | 
              | Heart Disease, Ischemic use Myocardial Ischemia | 
              | Heart Diseases | 
              | Heart Failure | 
              | Heart Failure, Diastolic | 
              | Heart Failure, Systolic | 
              | Heart Function Tests | 
              | Heart Hypertrophy use Cardiomegaly | 
              | Heart Injuries | 
              | Heart Massage | 
              | Heart Mitochondria use Mitochondria, Heart | 
              | Heart Murmurs | 
              | Heart Neoplasms | 
              | Heart Rate | 
              | Heart Rate Control use Heart Rate | 
              | Heart Rate, Fetal | 
              | Heart Rupture | 
              | Heart Rupture, Post-Infarction | 
              | Heart Rupture, Traumatic use Heart Injuries | 
              | Heart Septa use Heart Septum | 
              | Heart Septal Defects | 
              | Heart Septal Defects, Atrial | 
              | Heart Septal Defects, Ventricular | 
              | Heart Septum | 
              | Heart Sounds | 
              | Heart Surgery use Thoracic Surgery | 
              | Heart Transplantation | 
              | Heart Valve Diseases | 
              | Heart Valve Prolapse | 
              | Heart Valve Prosthesis | 
              | Heart Valve Prosthesis Implantation | 
              | Heart Valves | 
              | Heart Ventricle, Artificial use Heart-Assist Devices | 
              | Heart Ventricles | 
              | Heart Volume use Cardiac Volume | 
              | Heart, Artificial | 
              | Heart-Assist Devices | 
              | Heart-Lung Bypass use Cardiopulmonary Bypass | 
              | Heart-Lung Machine | 
              | Heart-Lung Transplantation | 
              | Heartburn | 
              | Hearts of Palm use Canned Heart Palms | 
              | Heartwater Disease | 
              | Heartworm Disease use Dirofilariasis | 
              | Heat use Hot Temperature | 
              | Heat Collapse use Heat Exhaustion | 
              | Heat Cramps use Heat Stress Disorders | 
              | Heat Exhaustion | 
              | Heat Loss use Body Temperature Regulation | 
              | Heat Loss (Environmental Health) | 
              | Heat Production use Thermogenesis | 
              | Heat Prostration use Heat Exhaustion | 
              | Heat Shock Proteins 72 use HSP72 Heat-Shock Proteins | 
              | Heat Stress Disorders | 
              | Heat Stress Syndromes use Heat Stress Disorders | 
              | Heat Stroke | 
              | Heat Transference | 
              | Heat Wave | 
              | Heat Waves use Infrared Rays | 
              | Heat-Shock Cognate 70 Protein use HSC70 Heat-Shock Proteins | 
              | Heat-Shock Protein 47 use HSP47 Heat-Shock Proteins | 
              | Heat-Shock Proteins | 
              | Heat-Shock Proteins 10 use Chaperonin 10 | 
              | Heat-Shock Proteins 110 use HSP110 Heat-Shock Proteins | 
              | Heat-Shock Proteins 20 use HSP20 Heat-Shock Proteins | 
              | Heat-Shock Proteins 30 use HSP30 Heat-Shock Proteins | 
              | Heat-Shock Proteins 40 use HSP40 Heat-Shock Proteins | 
              | Heat-Shock Proteins 60 use Chaperonin 60 | 
              | Heat-Shock Proteins 70 use HSP70 Heat-Shock Proteins | 
              | Heat-Shock Proteins 90 use HSP90 Heat-Shock Proteins | 
              | Heat-Shock Proteins, Small | 
              | Heat-Shock Reaction use Heat-Shock Response | 
              | Heat-Shock Response | 
              | Heaters | 
              | Heating | 
              | Heatwave use Heat Wave | 
              | Heavy Chain Disease | 
              | Heavy Chain Disease, IgA Type use Immunoproliferative Small Intestinal Disease | 
              | Heavy Equipment | 
              | Heavy Industries use Metallurgy | 
              | Heavy Ions | 
              | Heavy Metal Poisoning, Nervous System | 
              | Heavy Metals use Metals, Heavy | 
              | Heavy Water use Deuterium Oxide | 
              | Heavy Water (Environmental Health) | 
              | Hebeloma | 
              | Hebephrenic Schizophrenia use Schizophrenia, Disorganized | 
              | Hebrides | 
              | Heck's Disease use Focal Epithelial Hyperplasia | 
              | Hecla Lava | 
              | Hedeoma | 
              | Hedeoma pulegioides | 
              | Hedera | 
              | Hedera helix | 
              | Hedgehog Protein, Vertebrate use Hedgehog Proteins | 
              | Hedgehog Proteins | 
              | Hedgehogs | 
              | Hedgenettle use Stachys | 
              | Hedonism use Philosophy | 
              | Hedychium use Zingiberaceae | 
              | Hedyotis | 
              | Hedysarum ildefonsianum | 
              | Heel | 
              | Heel Bone use Calcaneus | 
              | Heel Spur | 
              | Heel Spur Syndrome use Fasciitis, Plantar | 
              | Heerfordt Syndrome use Uveoparotid Fever | 
              | Height by Weight | 
              | Heinz Bodies | 
              | Hekla Lava use Hecla Lava | 
              | Hela Cells | 
              | Heleborus use Helleborus | 
              | Helianthemum use Cistaceae | 
              | Helianthus | 
              | Helianthus annuus | 
              | Helical Computed Tomography use Tomography, Spiral Computed | 
              | Helical CT use Tomography, Spiral Computed | 
              | Helical Flocculators | 
              | Helichrysum | 
              | Helicobacter | 
              | Helicobacter felis | 
              | Helicobacter heilmannii | 
              | Helicobacter hepaticus | 
              | Helicobacter Infections | 
              | Helicobacter mustelae | 
              | Helicobacter pylori | 
              | Helicobacter suis use Helicobacter heilmannii | 
              | Heliconia use Heliconiaceae | 
              | Heliconiaceae | 
              | Helicopter Ambulances use Air Ambulances | 
              | Helicopters use Aircraft | 
              | Helicteres use Sterculiaceae | 
              | Heligmosomatoidea | 
              | Heligmosomoides polygyrus use Nematospiroides dubius | 
              | Heliocidaris use Anthocidaris | 
              | Heliograph | 
              | Heliotherapy | 
              | Heliotrope, Garden use Valerian | 
              | Heliotrope, True use Heliotropium | 
              | Heliotropinum peruvianum | 
              | Heliotropism use Phototropism | 
              | Heliotropium | 
              | Helium | 
              | Helium Lasers use Lasers, Gas | 
              | Helium Neon Gas Lasers use Lasers, Gas | 
              | Helix (Snails) | 
              | Helix tosta | 
              | Helix-Loop-Helix Motifs | 
              | Helix-Turn-Helix Motifs | 
              | Hellebore use Helleborus | 
              | Hellebore, Black use Veratrum | 
              | Hellebore, False use Veratrum | 
              | Hellebore, Green use Helleborus | 
              | Hellebore, Stinking use Helleborus | 
              | Hellebore, White use Veratrum | 
              | Helleborus | 
              | Helleborus foetidus | 
              | Helleborus niger | 
              | Helleborus orientalis | 
              | Helleborus viridis | 
              | HELLP Syndrome | 
              | Helmets use Head Protective Devices | 
              | Helminth Antibodies use Antibodies, Helminth | 
              | Helminth Antigens use Antigens, Helminth | 
              | Helminth DNA use DNA, Helminth | 
              | Helminth Genes use Genes, Helminth | 
              | Helminth Genome use Genome, Helminth | 
              | Helminth Proteins | 
              | Helminth RNA use RNA, Helminth | 
              | Helminthiasis | 
              | Helminthiasis, Animal | 
              | Helminthiasis, Central Nervous System use Central Nervous System Helminthiasis | 
              | Helminthochortos | 
              | Helminthosporium | 
              | Helminths | 
              | Heloderma suspectum | 
              | Helogale use Herpestidae | 
              | Helonias dioica | 
              | Heloninum | 
              | Helper Cells use T-Lymphocytes, Helper-Inducer | 
              | Helper Viruses | 
              | Helper-Inducer T-Lymphocytes use T-Lymphocytes, Helper-Inducer | 
              | Helping Behavior | 
              | Helplessness, Learned | 
              | Helsinki Declaration | 
              | Hemachatus use Cobra | 
              | Hemadsorption | 
              | Hemadsorption Inhibition Tests | 
              | Hemadsorption Virus 1 use Parainfluenza Virus 3, Human | 
              | Hemadsorption Virus 2 use Parainfluenza Virus 1, Human | 
              | Hemagglutinating Virus of Japan use Sendai virus | 
              | Hemagglutination | 
              | Hemagglutination Inhibition Tests | 
              | Hemagglutination Tests | 
              | Hemagglutination, Viral | 
              | Hemagglutinin Glycoproteins, Influenza Virus | 
              | Hemagglutinin-Neuraminidase Glycoprotein use HN Protein | 
              | Hemagglutinins | 
              | Hemagglutinins, Viral | 
              | Hemangioblastoma | 
              | Hemangioblasts | 
              | Hemangioendothelioma | 
              | Hemangioendothelioma, Epithelioid | 
              | Hemangioma | 
              | Hemangioma, Capillary | 
              | Hemangioma, Cavernous | 
              | Hemangioma, Cavernous, Central Nervous System | 
              | Hemangioma, Histiocytoid use Hemangioma | 
              | Hemangioma, Intramuscular use Hemangioma | 
              | Hemangioma, Lobular Capillary use Granuloma, Pyogenic | 
              | Hemangioma, Sclerosing use Histiocytoma, Benign Fibrous | 
              | Hemangiopericytoma | 
              | Hemangiosarcoma | 
              | Hemarthrosis | 
              | Hematemesis | 
              | Hematin use Hemin | 
              | Hematinics | 
              | Hemato-Encephalic Barrier use Blood-Brain Barrier | 
              | Hematocele | 
              | Hematochezia use Gastrointestinal Hemorrhage | 
              | Hematocolpos | 
              | Hematocrit | 
              | Hematologic Agents | 
              | Hematologic Diseases | 
              | Hematologic Malignancies use Hematologic Neoplasms | 
              | Hematologic Neoplasms | 
              | Hematologic Tests | 
              | Hematology | 
              | Hematoma | 
              | Hematoma, Epidural, Cranial | 
              | Hematoma, Epidural, Spinal | 
              | Hematoma, Subdural | 
              | Hematoma, Subdural, Acute | 
              | Hematoma, Subdural, Chronic | 
              | Hematoma, Subdural, Intracranial | 
              | Hematoma, Subdural, Spinal | 
              | Hematometra | 
              | Hematomyelia use Spinal Cord Vascular Diseases | 
              | Hematopoiesis | 
              | Hematopoiesis, Extramedullary | 
              | Hematopoiesis, Medullary use Hematopoiesis | 
              | Hematopoietic Agents use Hematinics | 
              | Hematopoietic Cell Growth Factors | 
              | Hematopoietic Growth Factors Receptors use Receptors, Colony-Stimulating Factor | 
              | Hematopoietic Neoplasms use Hematologic Neoplasms | 
              | Hematopoietic Stem Cell Mobilization | 
              | Hematopoietic Stem Cell Purging use Bone Marrow Purging | 
              | Hematopoietic Stem Cell Transplantation | 
              | Hematopoietic Stem Cells | 
              | Hematopoietic System | 
              | Hematopoietins use Hematopoietic Cell Growth Factors | 
              | Hematoporphyrin D use Hematoporphyrin Derivative | 
              | Hematoporphyrin Derivative | 
              | Hematoporphyrin Photoradiation | 
              | Hematoporphyrins | 
              | Hematoside use G(M3) Ganglioside | 
              | Hematoxylin | 
              | Hematuria | 
              | Heme | 
              | Heme Oxygenase (Decyclizing) | 
              | Heme Oxygenase-1 | 
              | Heme Synthetase use Ferrochelatase | 
              | Hemel use Altretamine | 
              | Hemeproteins | 
              | Hemeralopia use Vision Disorders | 
              | Hemerocallis | 
              | Hemerythrin | 
              | Hemi-Fontan Procedure use Fontan Procedure | 
              | Hemianopsia | 
              | Hemianopsia, Binasal use Hemianopsia | 
              | Hemianopsia, Bitemporal use Hemianopsia | 
              | Hemianopsia, Homonymous use Hemianopsia | 
              | Hemiballismus use Dyskinesias | 
              | Hemibody Irradiation | 
              | Hemic and Immune Systems | 
              | Hemic and Lymphatic Diseases | 
              | Hemicentrotus | 
              | Hemicholinium 3 | 
              | Hemicrania use Headache | 
              | Hemidesmosomes | 
              | Hemidesmus | 
              | Hemifacial Atrophy use Facial Hemiatrophy | 
              | Hemifacial Microsomia use Facial Asymmetry | 
              | Hemifacial Myokymia use Hemifacial Spasm | 
              | Hemifacial Paralysis use Facial Paralysis | 
              | Hemifacial Spasm | 
              | Hemihydranencephaly use Hydranencephaly | 
              | Hemimelia use Ectromelia | 
              | Hemin | 
              | Hemiparesis use Paresis | 
              | Hemipelvectomy | 
              | Hemiplegia | 
              | Hemiptera | 
              | Hemispatial Neglect use Perceptual Disorders | 
              | Hemispherectomy | 
              | Hemispinal Cord Syndrome use Brown-Sequard Syndrome | 
              | Hemiterpenes | 
              | Hemlock | 
              | Hemlock Tree use Tsuga | 
              | Hemlock, Poison use Conium | 
              | Hemlock, Spotted Water use Cicuta | 
              | Hemlock, Water use Cicuta | 
              | Hemobilia | 
              | Hemochromatosis | 
              | Hemocoagulase use Batroxobin | 
              | Hemocompatibility Testing use Materials Testing | 
              | Hemocuprein use Superoxide Dismutase | 
              | Hemocyanin | 
              | Hemocytes | 
              | Hemoderivative Drugs | 
              | Hemoderived Products use Hemoderivative Drugs | 
              | Hemodiafiltration | 
              | Hemodialysis use Renal Dialysis | 
              | Hemodialysis Solutions | 
              | Hemodialysis Units, Hospital | 
              | Hemodialysis, Home | 
              | Hemodilution | 
              | Hemodynamics | 
              | Hemofiltration | 
              | Hemofiltration, Continuous Arteriovenous use Hemofiltration | 
              | Hemoglobin A | 
              | Hemoglobin A(1) use Hemoglobin A, Glycosylated | 
              | Hemoglobin A, Glycosylated | 
              | Hemoglobin A2 | 
              | Hemoglobin C | 
              | Hemoglobin C Disease | 
              | Hemoglobin E | 
              | Hemoglobin F use Fetal Hemoglobin | 
              | Hemoglobin F Disease use beta-Thalassemia | 
              | Hemoglobin H | 
              | Hemoglobin H Disease use alpha-Thalassemia | 
              | Hemoglobin J | 
              | Hemoglobin M | 
              | Hemoglobin S use Hemoglobin, Sickle | 
              | Hemoglobin S Disease use Anemia, Sickle Cell | 
              | Hemoglobin SC Disease | 
              | Hemoglobin Substitutes use Blood Substitutes | 
              | Hemoglobin Subunits | 
              | Hemoglobin, Erythrocyte, Mean Cell use Erythrocyte Indices | 
              | Hemoglobin, Sickle | 
              | Hemoglobinometry | 
              | Hemoglobinopathies | 
              | Hemoglobins | 
              | Hemoglobins, Abnormal | 
              | Hemoglobins, Truncated use Truncated Hemoglobins | 
              | Hemoglobinuria | 
              | Hemoglobinuria, Paroxysmal | 
              | Hemolymph | 
              | Hemolysin Factors | 
              | Hemolysin Proteins | 
              | Hemolysins use Hemolysin Proteins | 
              | Hemolysis | 
              | Hemolytic Agents | 
              | Hemolytic Anemia use Anemia, Hemolytic | 
              | Hemolytic Anemia, Autoimmune use Anemia, Hemolytic, Autoimmune | 
              | Hemolytic Disease of Newborn use Erythroblastosis, Fetal | 
              | Hemolytic Plaque Technique | 
              | Hemolytic Titration Assay use Complement Hemolytic Activity Assay | 
              | Hemolytic-Uremic Syndrome | 
              | Hemoperfusion | 
              | Hemopericardium use Pericardial Effusion | 
              | Hemoperitoneum | 
              | Hemopexin | 
              | Hemophagocytic Lymphohistiocytosis, Familial use Lymphohistiocytosis, Hemophagocytic | 
              | Hemophagocytic Syndrome, Infection-Associated use Lymphohistiocytosis, Hemophagocytic | 
              | Hemophagocytic Syndrome, Reactive use Lymphohistiocytosis, Hemophagocytic | 
              | Hemophagocytic Syndromes use Lymphohistiocytosis, Hemophagocytic | 
              | Hemophilia use Hemophilia A | 
              | Hemophilia A | 
              | Hemophilia B | 
              | Hemophilia C use Factor XI Deficiency | 
              | Hemophilia, Vascular use von Willebrand Disease | 
              | Hemophilius parainfluenzae use Haemophilus parainfluenzae | 
              | Hemophilus use Haemophilus | 
              | Hemophilus ducreyi use Haemophilus ducreyi | 
              | Hemophilus Infections use Haemophilus Infections | 
              | Hemophilus influenzae use Haemophilus influenzae | 
              | Hemophilus influenzae type b use Haemophilus influenzae type b | 
              | Hemophilus paragallinarum use Haemophilus paragallinarum | 
              | Hemophilus paraphrophilus use Haemophilus paraphrophilus | 
              | Hemophilus parasuis use Haemophilus parasuis | 
              | Hemophilus somnus use Haemophilus somnus | 
              | Hemophthalmos use Eye Hemorrhage | 
              | Hemopneumothorax | 
              | Hemoptysis | 
              | Hemorheology | 
              | Hemorrhage | 
              | Hemorrhage, Basal Ganglia use Basal Ganglia Hemorrhage | 
              | Hemorrhage, Biliary Tract use Hemobilia | 
              | Hemorrhage, Brain Stem, Traumatic use Brain Stem Hemorrhage, Traumatic | 
              | Hemorrhage, Cerebral use Cerebral Hemorrhage | 
              | Hemorrhage, Choroid use Choroid Hemorrhage | 
              | Hemorrhage, Cranial Epidural use Hematoma, Epidural, Cranial | 
              | Hemorrhage, Eye use Eye Hemorrhage | 
              | Hemorrhage, Fetomaternal use Fetomaternal Transfusion | 
              | Hemorrhage, Gastrointestinal use Gastrointestinal Hemorrhage | 
              | Hemorrhage, Gingival use Gingival Hemorrhage | 
              | Hemorrhage, Intracranial use Intracranial Hemorrhages | 
              | Hemorrhage, Intracranial, Traumatic use Intracranial Hemorrhage, Traumatic | 
              | Hemorrhage, Oral use Oral Hemorrhage | 
              | Hemorrhage, Peptic Ulcer use Peptic Ulcer Hemorrhage | 
              | Hemorrhage, Postoperative use Postoperative Hemorrhage | 
              | Hemorrhage, Postpartum use Postpartum Hemorrhage | 
              | Hemorrhage, Putamen use Putaminal Hemorrhage | 
              | Hemorrhage, Retinal use Retinal Hemorrhage | 
              | Hemorrhage, Retrobulbar use Retrobulbar Hemorrhage | 
              | Hemorrhage, Spinal Epidural use Hematoma, Epidural, Spinal | 
              | Hemorrhage, Subarachnoid use Subarachnoid Hemorrhage | 
              | Hemorrhage, Subdural use Hematoma, Subdural | 
              | Hemorrhage, Subdural, Acute use Hematoma, Subdural, Acute | 
              | Hemorrhage, Subdural, Chronic use Hematoma, Subdural, Chronic | 
              | Hemorrhage, Surgical use Blood Loss, Surgical | 
              | Hemorrhage, Uterine use Uterine Hemorrhage | 
              | Hemorrhage, Vitreous use Vitreous Hemorrhage | 
              | Hemorrhagic Bacteremia use Hemorrhagic Septicemia | 
              | Hemorrhagic Diathesis use Hemorrhagic Disorders | 
              | Hemorrhagic Disease of Newborn | 
              | Hemorrhagic Disease Virus, Epizootic | 
              | Hemorrhagic Disease Virus, Rabbit | 
              | Hemorrhagic Disease Virus, Simian use Arterivirus | 
              | Hemorrhagic Disorders | 
              | Hemorrhagic Fever Renal Syndrome Virus use Hantaan virus | 
              | Hemorrhagic Fever Virus, Argentinian use Junin virus | 
              | Hemorrhagic Fever Virus, Bolivian use Arenaviruses, New World | 
              | Hemorrhagic Fever Virus, Crimean use Hemorrhagic Fever Virus, Crimean-Congo | 
              | Hemorrhagic Fever Virus, Crimean-Congo | 
              | Hemorrhagic Fever Virus, Epidemic use Hantaan virus | 
              | Hemorrhagic Fever Virus, Korean use Hantaan virus | 
              | Hemorrhagic Fever Virus, Omsk use Encephalitis Viruses, Tick-Borne | 
              | Hemorrhagic Fever Viruses, American use Arenaviruses, New World | 
              | Hemorrhagic Fever with Renal Syndrome | 
              | Hemorrhagic Fever, American | 
              | Hemorrhagic Fever, Argentinian use Hemorrhagic Fever, American | 
              | Hemorrhagic Fever, Bolivian use Hemorrhagic Fever, American | 
              | Hemorrhagic Fever, Crimean | 
              | Hemorrhagic Fever, Dengue use Dengue Hemorrhagic Fever | 
              | Hemorrhagic Fever, Ebola | 
              | Hemorrhagic Fever, Epidemic use Hemorrhagic Fever with Renal Syndrome | 
              | Hemorrhagic Fever, Korean use Hemorrhagic Fever with Renal Syndrome | 
              | Hemorrhagic Fever, Omsk | 
              | Hemorrhagic Fevers, Viral | 
              | Hemorrhagic Nephroso-Nephritis use Hemorrhagic Fever with Renal Syndrome | 
              | Hemorrhagic Nephroso-Nephritis Virus use Hantaan virus | 
              | Hemorrhagic Septicemia | 
              | Hemorrhagic Septicemia Virus, Viral use Novirhabdovirus | 
              | Hemorrhagic Septicemia, Viral | 
              | Hemorrhagic Shock use Shock, Hemorrhagic | 
              | Hemorrhagic Syndrome, Bovine | 
              | Hemorrhagic Thrombocythemia use Thrombocythemia, Essential | 
              | Hemorrhoids | 
              | Hemosiderin | 
              | Hemosiderosis | 
              | Hemosorption use Hemoperfusion | 
              | Hemospermia | 
              | Hemostasis | 
              | Hemostasis, Endoscopic | 
              | Hemostasis, Surgical | 
              | Hemostatic Disorders | 
              | Hemostatic Techniques | 
              | Hemostatics | 
              | Hemotherapy Center use Hemotherapy Service | 
              | Hemotherapy Centre use Hemotherapy Service | 
              | Hemotherapy Nucleus use Hemotherapy Service | 
              | Hemotherapy Service | 
              | Hemothorax | 
              | Hemotoxins use Hemolytic Agents | 
              | Hemp use Cannabis | 
              | Hempa | 
              | HEMPAS use Anemia, Dyserythropoietic, Congenital | 
              | Henbane use Hyoscyamus | 
              | Henderson-Jones Syndrome use Chondromatosis, Synovial | 
              | Hendra Virus | 
              | Henipavirus | 
              | Henipavirus Infections | 
              | Henna Plant use Lawsonia Plant | 
              | Henneberg Syndrome use Cataplexy | 
              | Henoch Purpura use Purpura, Schoenlein-Henoch | 
              | Henoch-Schoenlein Purpura use Purpura, Schoenlein-Henoch | 
              | Hensen Node use Organizers, Embryonic | 
              | Hepacivirus | 
              | Hepadnaviridae | 
              | Hepadnaviridae Infections | 
              | Hepar Sulphuris Calcareum | 
              | Hepar Sulphuris Kalinum use Kali Sulphuratum | 
              | Heparan Sulfate use Heparitin Sulfate | 
              | Heparan Sulfate Proteoglycan use Heparan Sulfate Proteoglycans | 
              | Heparan Sulfate Proteoglycans | 
              | Heparin | 
              | Heparin Antagonists | 
              | Heparin Cofactor I use Antithrombin III | 
              | Heparin Cofactor II | 
              | Heparin Eliminase use Heparin Lyase | 
              | Heparin Lyase | 
              | Heparin, Low-Molecular-Weight | 
              | Heparin-Binding Fibroblast Growth Factor Class I use Fibroblast Growth Factor 1 | 
              | Heparin-Binding Growth Factor, Class I use Fibroblast Growth Factor 1 | 
              | Heparin-Clearing Factor use Lipoprotein Lipase | 
              | Heparinase use Heparin Lyase | 
              | Heparinase I use Heparin Lyase | 
              | Heparinic Acid use Heparin | 
              | Heparinoids | 
              | Heparitin Sulfate | 
              | Hepatectomy | 
              | Hepatic Amebiasis use Liver Abscess, Amebic | 
              | Hepatic Artery | 
              | Hepatic Cancer use Liver Neoplasms | 
              | Hepatic Cells use Hepatocytes | 
              | Hepatic Circulation use Liver Circulation | 
              | Hepatic Cirrhosis use Liver Cirrhosis | 
              | Hepatic Cirrhosis, Experimental use Liver Cirrhosis, Experimental | 
              | Hepatic Duct, Common | 
              | Hepatic Encephalopathy | 
              | Hepatic Entamoebiasis use Liver Abscess, Amebic | 
              | Hepatic Failure, Fulminant use Liver Failure, Acute | 
              | Hepatic Glycogen use Liver Glycogen | 
              | Hepatic Insufficiency | 
              | Hepatic Porphyria use Porphyrias, Hepatic | 
              | Hepatic Portoenterostomy use Portoenterostomy, Hepatic | 
              | Hepatic Stellate Cells | 
              | Hepatic Transplantation use Liver Transplantation | 
              | Hepatic Veins | 
              | Hepatic Veno-Occlusive Disease | 
              | Hepatic Venous Outflow Obstruction use Budd-Chiari Syndrome | 
              | Hepatica use Ranunculaceae | 
              | Hepatica triloba | 
              | Hepaticola hepatica use Capillaria | 
              | Hepatitis | 
              | Hepatitis A | 
              | Hepatitis A Antibodies | 
              | Hepatitis A Antigens | 
              | Hepatitis A Vaccines | 
              | Hepatitis A virus | 
              | Hepatitis A Virus Antibodies use Hepatitis A Antibodies | 
              | Hepatitis A Virus, Human | 
              | Hepatitis Antibodies | 
              | Hepatitis Antigens | 
              | Hepatitis B | 
              | Hepatitis B Antibodies | 
              | Hepatitis B Antigens | 
              | Hepatitis B Core Antigens | 
              | Hepatitis B e Antigens | 
              | Hepatitis B Surface Antigens | 
              | Hepatitis B Vaccines | 
              | Hepatitis B virus | 
              | Hepatitis B Virus, Duck | 
              | Hepatitis B Virus, Ground Squirrel use Orthohepadnavirus | 
              | Hepatitis B Virus, Woodchuck | 
              | Hepatitis B, Chronic | 
              | Hepatitis C | 
              | Hepatitis C Antibodies | 
              | Hepatitis C Antigens | 
              | Hepatitis C Virus use Hepacivirus | 
              | Hepatitis C, Chronic | 
              | Hepatitis D | 
              | Hepatitis D Antigens use Hepatitis delta Antigens | 
              | Hepatitis D Virus use Hepatitis Delta Virus | 
              | Hepatitis D, Chronic | 
              | Hepatitis delta Antigens | 
              | Hepatitis Delta Virus | 
              | Hepatitis E | 
              | Hepatitis E virus | 
              | Hepatitis E Virus, Avian use Hepevirus | 
              | Hepatitis G virus use GB virus C | 
              | Hepatitis Virus, Duck | 
              | Hepatitis Virus, Homologous Serum use Hepatitis B virus | 
              | Hepatitis Virus, Infectious use Hepatovirus | 
              | Hepatitis Virus, Infectious Canine use Adenoviruses, Canine | 
              | Hepatitis Virus, Marmoset use Hepatitis Viruses | 
              | Hepatitis Virus, Mouse use Murine hepatitis virus | 
              | Hepatitis Virus, Woodchuck use Hepatitis B Virus, Woodchuck | 
              | Hepatitis Viruses | 
              | Hepatitis, Alcoholic | 
              | Hepatitis, Alcoholic, Chronic use Hepatitis, Alcoholic | 
              | Hepatitis, Animal | 
              | Hepatitis, Autoimmune | 
              | Hepatitis, Chronic | 
              | Hepatitis, Chronic, Cryptogenic use Hepatitis, Chronic | 
              | Hepatitis, Chronic, Drug-Induced | 
              | Hepatitis, Delta use Hepatitis D | 
              | Hepatitis, Drug-Induced use Hepatitis, Toxic | 
              | Hepatitis, Infectious use Hepatitis A | 
              | Hepatitis, Infectious Canine | 
              | Hepatitis, Toxic | 
              | Hepatitis, Viral, Animal | 
              | Hepatitis, Viral, Human | 
              | Hepatitis, Viral, Non-A, Non-B, Enterically-Transmitted use Hepatitis E | 
              | Hepatitis, Viral, Non-A, Non-B, Parenterally-Transmitted use Hepatitis C | 
              | Hepatitis, Viral, Vaccines use Viral Hepatitis Vaccines | 
              | Hepatitis, Water-Borne use Hepatitis E | 
              | Hepatoblastoma | 
              | Hepatocellular Carcinoma use Carcinoma, Hepatocellular | 
              | Hepatocyte Growth Factor | 
              | Hepatocyte Growth Factor Receptor use Proto-Oncogene Proteins c-met | 
              | Hepatocyte Nuclear Factor 1 | 
              | Hepatocyte Nuclear Factor 1-alpha | 
              | Hepatocyte Nuclear Factor 1-beta | 
              | Hepatocyte Nuclear Factor 3-alpha | 
              | Hepatocyte Nuclear Factor 3-beta | 
              | Hepatocyte Nuclear Factor 3-gamma | 
              | Hepatocyte Nuclear Factor 4 | 
              | Hepatocyte Nuclear Factor 6 | 
              | Hepatocyte Nuclear Factors | 
              | Hepatocyte-Stimulating Factor use Interleukin-6 | 
              | Hepatocytes | 
              | Hepatoerythropoietic Porphyria use Porphyria, Hepatoerythropoietic | 
              | Hepatolenticular Degeneration | 
              | Hepatology use Gastroenterology | 
              | Hepatoma use Carcinoma, Hepatocellular | 
              | Hepatoma, Benign use Adenoma, Liver Cell | 
              | Hepatoma, Experimental use Liver Neoplasms, Experimental | 
              | Hepatoma, Morris use Liver Neoplasms, Experimental | 
              | Hepatoma, Novikoff use Liver Neoplasms, Experimental | 
              | Hepatomegaly | 
              | Hepatopancreas | 
              | Hepatophyta | 
              | Hepatopoietin use Hepatocyte Growth Factor | 
              | Hepatopoietin A use Hepatocyte Growth Factor | 
              | Hepatoprotector Drugs | 
              | Hepatopulmonary Syndrome | 
              | Hepatorenal Glycogen Storage Disease use Glycogen Storage Disease Type I | 
              | Hepatorenal Syndrome | 
              | Hepatovirus | 
              | HEPES | 
              | Hepevirus | 
              | Heptachlor | 
              | Heptachlor Epoxide | 
              | Heptaminol | 
              | Heptanes | 
              | Heptanoates | 
              | Heptanoic Acids | 
              | Heptanol | 
              | Heptoses | 
              | HER-2 Proto-Oncogene Protein use Receptor, erbB-2 | 
              | HER-3 Proto-Oncogene Protein use Receptor, erbB-3 | 
              | Heracleum | 
              | Heracleum sphondylium | 
              | Heraldry use Genealogy and Heraldry | 
              | Herb Therapy use Phytotherapy | 
              | Herb-Drug Interactions | 
              | Herbal Medicine | 
              | Herbal Preparations use Plant Preparations | 
              | Herbal Teas use Beverages | 
              | Herbalism use Herbal Medicine | 
              | Herbals | 
              | Herbaspirillum | 
              | Herbicide Resistance | 
              | Herbicides | 
              | Herbs, Medicinal use Plants, Medicinal | 
              | Hercumpuri use Gentianella | 
              | Herd Immunity use Immunity, Herd | 
              | Hereditary Central Nervous System Demyelinating Diseases | 
              | Hereditary Coagulation Disorders use Blood Coagulation Disorders, Inherited | 
              | Hereditary Diseases use Genetic Diseases, Inborn | 
              | Hereditary Diseases, Neurodegenerative use Heredodegenerative Disorders, Nervous System | 
              | Hereditary Motor and Sensory Neuropathies | 
              | Hereditary Motor and Sensory-Neuropathy Type II use Charcot-Marie-Tooth Disease | 
              | Hereditary Motor, and Sensory Neuropathy Type I use Charcot-Marie-Tooth Disease | 
              | Hereditary Multiple Exostoses use Exostoses, Multiple Hereditary | 
              | Hereditary Nonpolyposis Colorectal Cancer use Colorectal Neoplasms, Hereditary Nonpolyposis | 
              | Hereditary Nonpolyposis Colorectal Neoplasms use Colorectal Neoplasms, Hereditary Nonpolyposis | 
              | Hereditary Opalescent Dentin use Dentinogenesis Imperfecta | 
              | Hereditary Optic Atrophy use Optic Atrophies, Hereditary | 
              | Hereditary Periodic Fever Syndromes use Familial Mediterranean Fever | 
              | Hereditary Sensory and Autonomic Neuropathies | 
              | Hereditary Spastic Paraplegia use Spastic Paraplegia, Hereditary | 
              | Hereditary Spinal Sclerosis use Friedreich Ataxia | 
              | Hereditary, Type III, Motor and Sensory Neuropathy use Hereditary Motor and Sensory Neuropathies | 
              | Hereditary, Type VII, Motor and Sensory Neuropathy use Hereditary Motor and Sensory Neuropathies | 
              | Hereditary-Sensory and Autonomic Neuropathy Type III use Dysautonomia, Familial | 
              | Heredity | 
              | Heredodegenerative Disorders, Nervous System | 
              | Heredopathia Atactica Polyneuritiformis use Refsum Disease | 
              | Heregulin use Neuregulin-1 | 
              | Herellea use Acinetobacter | 
              | Hering Laws use Cure Laws | 
              | Herlitz Disease use Epidermolysis Bullosa, Junctional | 
              | Hermanski-Pudlak Syndrome | 
              | Hermaphroditism | 
              | Hermaphroditism, True | 
              | Hermes Antigen Family use Receptors, Lymphocyte Homing | 
              | Hermissenda | 
              | Hermit Crab use Anomura | 
              | Hernandiaceae | 
              | Hernia | 
              | Hernia, Abdominal | 
              | Hernia, Cerebral use Encephalocele | 
              | Hernia, Diaphragmatic | 
              | Hernia, Diaphragmatic, Traumatic | 
              | Hernia, Esophageal use Hernia, Hiatal | 
              | Hernia, Femoral | 
              | Hernia, Hiatal | 
              | Hernia, Inguinal | 
              | Hernia, Obturator | 
              | Hernia, Paraesophageal use Hernia, Hiatal | 
              | Hernia, Umbilical | 
              | Hernia, Ventral | 
              | Herniation of Meninges use Meningocele | 
              | Heroin | 
              | Heroin Abuse use Heroin Dependence | 
              | Heroin Addiction use Heroin Dependence | 
              | Heroin Dependence | 
              | Herpangina | 
              | Herpes Genitalis | 
              | Herpes Labialis | 
              | Herpes labialis Virus use Simplexvirus | 
              | Herpes Simplex | 
              | Herpes Simplex Encephalitis use Encephalitis, Herpes Simplex | 
              | Herpes Simplex Keratitis use Keratitis, Herpetic | 
              | Herpes Simplex Virus use Simplexvirus | 
              | Herpes Simplex Virus 1 use Herpesvirus 1, Human | 
              | Herpes Simplex Virus 2 use Herpesvirus 2, Human | 
              | Herpes Simplex Virus Protein Vmw65 | 
              | Herpes Simplex Virus Protein VP16 use Herpes Simplex Virus Protein Vmw65 | 
              | Herpes Simplex Virus Transcriptional Activator Vmw65 use Herpes Simplex Virus Protein Vmw65 | 
              | Herpes Simplex Virus Vaccines | 
              | Herpes Simplex, Genital use Herpes Genitalis | 
              | Herpes Simplex, Labial use Herpes Labialis | 
              | Herpes Simplex, Ocular use Keratitis, Herpetic | 
              | Herpes Simplex, Oral use Stomatitis, Herpetic | 
              | Herpes Zoster | 
              | Herpes Zoster Encephalitis use Encephalitis, Varicella Zoster | 
              | Herpes Zoster Ophthalmicus | 
              | Herpes Zoster Oticus | 
              | Herpes Zoster Vaccine | 
              | Herpes zoster Virus use Herpesvirus 3, Human | 
              | Herpes Zoster, Ocular use Herpes Zoster Ophthalmicus | 
              | Herpestes use Herpestidae | 
              | Herpestidae | 
              | Herpesviridae | 
              | Herpesviridae Infections | 
              | Herpesvirus 1 (alpha), Cercopithecine use Herpesvirus 1, Cercopithecine | 
              | Herpesvirus 1, Bovine | 
              | Herpesvirus 1, Canid | 
              | Herpesvirus 1, Caprine use Varicellovirus | 
              | Herpesvirus 1, Cercopithecine | 
              | Herpesvirus 1, Equid | 
              | Herpesvirus 1, Gallid | 
              | Herpesvirus 1, Human | 
              | Herpesvirus 1, Meleagrid | 
              | Herpesvirus 1, Murid use Muromegalovirus | 
              | Herpesvirus 1, Ranid | 
              | Herpesvirus 1, Saimiriine use Simplexvirus | 
              | Herpesvirus 1, Saimirine use Simplexvirus | 
              | Herpesvirus 1, Suid | 
              | Herpesvirus 16, Cercopithecine use Simplexvirus | 
              | Herpesvirus 2, Ateline use Rhadinovirus | 
              | Herpesvirus 2, Bovine | 
              | Herpesvirus 2, Equid use Rhadinovirus | 
              | Herpesvirus 2, Gallid | 
              | Herpesvirus 2, Human | 
              | Herpesvirus 2, Murid use Muromegalovirus | 
              | Herpesvirus 2, Saimiriine | 
              | Herpesvirus 2, Saimirine use Herpesvirus 2, Saimiriine | 
              | Herpesvirus 3, Equid | 
              | Herpesvirus 3, Gallid | 
              | Herpesvirus 3, Human | 
              | Herpesvirus 4, Bovine | 
              | Herpesvirus 4, Equid | 
              | Herpesvirus 4, Human | 
              | Herpesvirus 4, Murid use Rhadinovirus | 
              | Herpesvirus 5, Bovine | 
              | Herpesvirus 5, Human use Cytomegalovirus | 
              | Herpesvirus 6, Human | 
              | Herpesvirus 6A, Human use Herpesvirus 6, Human | 
              | Herpesvirus 6B, Human use Herpesvirus 6, Human | 
              | Herpesvirus 7, Human | 
              | Herpesvirus 8, Human | 
              | Herpesvirus B use Herpesvirus 1, Cercopithecine | 
              | Herpesvirus Entry Mediator use Receptors, Tumor Necrosis Factor, Member 14 | 
              | Herpesvirus hominis use Simplexvirus | 
              | Herpesvirus Infections use Herpesviridae Infections | 
              | Herpesvirus papio 2 use Simplexvirus | 
              | Herpesvirus platyrhinae use Simplexvirus | 
              | Herpesvirus saimiri use Herpesvirus 2, Saimiriine | 
              | Herpesvirus simiae use Herpesvirus 1, Cercopithecine | 
              | Herpesvirus Vaccines | 
              | Herpesvirus varicellae use Herpesvirus 3, Human | 
              | Herpesvirus, Kaposi Sarcoma-Associated use Herpesvirus 8, Human | 
              | Herpetic Acute Necrotizing Encephalitis use Encephalitis, Herpes Simplex | 
              | Herpetic Facial Paralysis use Bell Palsy | 
              | Herpetomonas use Trypanosomatina | 
              | Herpetosiphon use Chloroflexi | 
              | Hers Disease use Glycogen Storage Disease Type VI | 
              | Hertzian Waves use Radio Waves | 
              | HERVs use Endogenous Retroviruses | 
              | Hesperidin | 
              | HESW use High-Energy Shock Waves | 
              | Hetastarch | 
              | HETE use Hydroxyeicosatetraenoic Acids | 
              | Heteroantibodies use Antibodies, Heterophile | 
              | Heteroantigens use Antigens, Heterophile | 
              | Heterocephalus use Mole Rats | 
              | Heterochromatin | 
              | Heterochromic Cyclitis use Iridocyclitis | 
              | Heterocyclic Acids use Acids, Heterocyclic | 
              | Heterocyclic Compounds | 
              | Heterocyclic Compounds with 4 or More Rings | 
              | Heterocyclic Compounds, 1-Ring | 
              | Heterocyclic Compounds, 2-Ring | 
              | Heterocyclic Compounds, 3-Ring | 
              | Heterocyclic Compounds, Bridged-Ring | 
              | Heterocyclic Cpds, Bicyclic use Bicyclo Compounds, Heterocyclic | 
              | Heterocyclic N-Oxides use Cyclic N-Oxides | 
              | Heterocyclic Oxides | 
              | Heterocyclic P-Oxides use Cyclic P-Oxides | 
              | Heterocyclic S-Oxides use Cyclic S-Oxides | 
              | Heteroduplex Analysis | 
              | Heteroduplexes, Nucleic Acid use Nucleic Acid Heteroduplexes | 
              | Heterogeneous Nuclear RNA use RNA, Heterogeneous Nuclear | 
              | Heterogeneous-Nuclear Ribonucleoprotein D | 
              | Heterogeneous-Nuclear Ribonucleoprotein Group A-B | 
              | Heterogeneous-Nuclear Ribonucleoprotein Group C | 
              | Heterogeneous-Nuclear Ribonucleoprotein Group F-H | 
              | Heterogeneous-Nuclear Ribonucleoprotein Group M | 
              | Heterogeneous-Nuclear Ribonucleoprotein K | 
              | Heterogeneous-Nuclear Ribonucleoprotein L | 
              | Heterogeneous-Nuclear Ribonucleoprotein U | 
              | Heterogeneous-Nuclear Ribonucleoproteins | 
              | Heterograft use Transplantation, Heterologous | 
              | Heterograft Bioprosthesis use Bioprosthesis | 
              | Heterograft Dressings use Biological Dressings | 
              | Heterologous Antibodies use Antibodies, Heterophile | 
              | Heterologous Antigens use Antigens, Heterophile | 
              | Heteronuclear Nuclear Magnetic Resonance use Nuclear Magnetic Resonance, Biomolecular | 
              | Heterophile Antibodies use Antibodies, Heterophile | 
              | Heterophile Antigens use Antigens, Heterophile | 
              | Heterophyes use Heterophyidae | 
              | Heterophyidae | 
              | Heteropneustes use Catfishes | 
              | Heteroptera | 
              | Heterosexuality | 
              | Heterosis use Hybrid Vigor | 
              | Heterotheca use Asteraceae | 
              | Heterotopia, Subcortical Band use Classical Lissencephalies and Subcortical Band Heterotopias | 
              | Heterotopic Tissue use Choristoma | 
              | Heterotrimeric G-Proteins use Heterotrimeric GTP-Binding Proteins | 
              | Heterotrimeric GTP-Binding Proteins | 
              | Heterotrophic Bacteria | 
              | Heterotrophic Processes | 
              | Heterovitamin B 1 use Pyrithiamine | 
              | Heterozygosity, Loss of use Loss of Heterozygosity | 
              | Heterozygote | 
              | Heterozygote Detection | 
              | Heubner Artery Infarction use Infarction, Anterior Cerebral Artery | 
              | Heuchera | 
              | Heuchera americana | 
              | Hevea | 
              | Hevea brasiliensis use Hevea | 
              | Hex A use Hexosaminidase A | 
              | Hex B use Hexosaminidase B | 
              | Hexabrachion use Tenascin | 
              | Hexachlorobenzene | 
              | Hexachlorocyclohexane use Lindane | 
              | Hexachlorophene | 
              | Hexadecadrol use Dexamethasone | 
              | Hexadecanoates use Palmitates | 
              | Hexadecanoic Acid use Palmitic Acid | 
              | Hexadienoic Acid use Sorbic Acid | 
              | Hexadimethrine | 
              | Hexadimethrine Bromide use Hexadimethrine | 
              | Hexametapol use Hempa | 
              | Hexamethonium | 
              | Hexamethonium Compounds | 
              | Hexamethyleneimines use Azepines | 
              | Hexamethylenetetramine use Methenamine | 
              | Hexamethylmelamine use Altretamine | 
              | Hexamine use Methenamine | 
              | Hexan-2-one use Methyl n-Butyl Ketone | 
              | Hexanes | 
              | Hexanoates use Caproates | 
              | Hexanoic Acids | 
              | Hexanols | 
              | Hexanones | 
              | Hexestrol | 
              | Hexetidine | 
              | Hexobarbital | 
              | Hexobendine | 
              | Hexokinase | 
              | Hexoprenaline | 
              | Hexosamines | 
              | Hexosaminidase use Hexosaminidases | 
              | Hexosaminidase A | 
              | Hexosaminidase A and B Deficiency Disease use Sandhoff Disease | 
              | Hexosaminidase A Deficiency Disease use Tay-Sachs Disease | 
              | Hexosaminidase B | 
              | Hexosaminidases | 
              | Hexose Monophosphate Shunt use Pentose Phosphate Pathway | 
              | Hexose Transport Proteins use Monosaccharide Transport Proteins | 
              | Hexosediphosphatase use Fructose-Bisphosphatase | 
              | Hexosediphosphatase Deficiency use Fructose-1,6-Diphosphatase Deficiency | 
              | Hexosediphosphates | 
              | Hexosephosphate Aminotransferase use Glutamine-Fructose-6-Phosphate Transaminase (Isomerizing) | 
              | Hexosephosphate Uridylyltransferase use UDPglucose-Hexose-1-Phosphate Uridylyltransferase | 
              | Hexosephosphates | 
              | Hexoses | 
              | Hexosyltransferases | 
              | Hexouronic Acids use Hexuronic Acids | 
              | Hexuronic Acids | 
              | Hexylresorcinol | 
              | Heymann Nephritis use Glomerulonephritis, Membranous | 
              | Heymann Nephritis Antigenic Complex | 
              | HFRS use Hemorrhagic Fever with Renal Syndrome | 
              | HFRS Virus use Hantaan virus | 
              | HGE Agent use Anaplasma phagocytophilum | 
              | HGF Receptor use Proto-Oncogene Proteins c-met | 
              | Hiatal Hernia use Hernia, Hiatal | 
              | Hib use Haemophilus influenzae type b | 
              | Hibernating Gland use Adipose Tissue, Brown | 
              | Hibernation | 
              | Hibernation, Artificial use Hibernation | 
              | Hibernation, Myocardial use Myocardial Stunning | 
              | Hibernoma use Lipoma | 
              | Hibiscus | 
              | Hiccup | 
              | Hickory Nuts use Carya | 
              | Hickory Tree use Carya | 
              | Hide Tanning use Leather Industry | 
              | Hides and Skins use Leather Industry | 
              | Hidradenitis | 
              | Hidradenitis Suppurativa | 
              | Hidradenoma use Adenoma, Sweat Gland | 
              | Hidrocystoma | 
              | Hidrosadenitis use Hidradenitis | 
              | Hidrotic Ectodermal Dysplasia use Ectodermal Dysplasia | 
              | Hierarchy, Social | 
              | High Biomass Production Lagoons use Aerobic Lagoons | 
              | High Cardiac Output use Cardiac Output, High | 
              | High Chairs use Infant Equipment | 
              | High Density Lipoprotein Cholesterol use Cholesterol, HDL | 
              | High Density Lipoprotein-2 use Lipoproteins, HDL2 | 
              | High Density Lipoprotein-3 use Lipoproteins, HDL3 | 
              | High Frequency Waves use Radio Waves | 
              | High Gravity use Hypergravity | 
              | High Mobility Group Nucleosomal Binding Proteins use HMGN Proteins | 
              | High Mobility Group Proteins | 
              | High Performance Computing use Computing Methodologies | 
              | High Potencies | 
              | High Pressure | 
              | High Pressure Area use Anticyclone | 
              | High Pressure Nervous Syndrome use High Pressure Neurological Syndrome | 
              | High Pressure Neurological Syndrome | 
              | High Rate Activated Sludges | 
              | High Rate Anaerobic Digestion | 
              | High Rate Lagoons use Aerobic Lagoons | 
              | High T4 Syndrome use Euthyroid Sick Syndromes | 
              | High Vocal Center | 
              | High volume measurements use Flow Measurements | 
              | High Water use Flood | 
              | High-Cost Technology use Technology, High-Cost | 
              | High-Density Lipoproteins use Lipoproteins, HDL | 
              | High-Density Lipoproteins, Pre-beta | 
              | High-Density Polyethylene use Polyethylene | 
              | High-Energy Shock Waves | 
              | High-Frequency Chest Wall Oscillation use Chest Wall Oscillation | 
              | High-Frequency Jet Ventilation | 
              | High-Frequency Oscillation use High-Frequency Ventilation | 
              | High-Frequency Positive Pressure Ventilation use High-Frequency Ventilation | 
              | High-Frequency Ventilation | 
              | High-Molecular-Weight Kininogen use Kininogen, High-Molecular-Weight | 
              | High-Rate Sedimentation use Accelerated Sedimentation | 
              | High-Risk Pregnancy use Pregnancy, High-Risk | 
              | High-Risk Sex use Unsafe Sex | 
              | High-Voltage Lines use Electromagnetic Pollution | 
              | High-Water use Flood | 
              | Highbush Cranberry use Viburnum | 
              | Higher Education Institutions | 
              | Higher Education Policy | 
              | Higher Nervous Activity | 
              | Highly Active Antiretroviral Therapy use Antiretroviral Therapy, Highly Active | 
              | Hijacking | 
              | Hill-Burton Act use Financing, Government | 
              | Himatanthus use Apocynaceae | 
              | Hindbrain use Rhombencephalon | 
              | Hindlimb | 
              | Hindlimb Elevation use Hindlimb Suspension | 
              | Hindlimb Immobilization use Hindlimb Suspension | 
              | Hindlimb Suspension | 
              | Hindlimb Unloading use Hindlimb Suspension | 
              | Hinduism | 
              | Hinge Exons | 
              | Hinoki Cypress use Chamaecyparis | 
              | Hip | 
              | Hip Contracture | 
              | Hip Dislocation | 
              | Hip Dislocation, Congenital | 
              | Hip Dysplasia, Canine | 
              | Hip Dysplasia, Congenital use Hip Dislocation, Congenital | 
              | Hip Fractures | 
              | Hip Injuries | 
              | Hip Joint | 
              | Hip Prosthesis | 
              | Hip Prosthesis Implantation use Arthroplasty, Replacement, Hip | 
              | Hip Replacement, Total use Arthroplasty, Replacement, Hip | 
              | HIPAA use Health Insurance Portability and Accountability Act | 
              | Hippeastrum use Liliaceae | 
              | Hippocalcin | 
              | Hippocampal Formation use Hippocampus | 
              | Hippocampal Gyrus use Parahippocampal Gyrus | 
              | Hippocampal Mossy Fibers use Mossy Fibers, Hippocampal | 
              | Hippocampus | 
              | Hippocastanaceae | 
              | Hippocastanum vulgare use Aesculus hippocastanum | 
              | Hippocratea use Hippocrateaceae | 
              | Hippocrateaceae | 
              | Hippocratic Oath | 
              | Hippomane | 
              | Hippomane mancinella use Mancinella | 
              | Hippomanes | 
              | Hippophae | 
              | Hippotragines use Antelopes | 
              | Hippozaeninum | 
              | Hippurates | 
              | Hippuricum Acidum | 
              | Hirame rhabdovirus use Novirhabdovirus | 
              | Hirschsprung Disease | 
              | Hirsutism | 
              | Hirudin use Hirudins | 
              | Hirudin Therapy | 
              | Hirudinea use Leeches | 
              | Hirudins | 
              | Hirudo medicinalis | 
              | Hirundinidae use Swallows | 
              | Hispanic Americans | 
              | Histametizyn use Meclizine | 
              | Histaminase use Amine Oxidase (Copper-Containing) | 
              | Histamine | 
              | Histamine Agents | 
              | Histamine Agonists | 
              | Histamine Antagonists | 
              | Histamine Binding Sites use Receptors, Histamine | 
              | Histamine Cephalgia use Cluster Headache | 
              | Histamine H1 Agonists use Histamine Agonists | 
              | Histamine H1 Antagonists | 
              | Histamine H1 Antagonists, Non-Sedating | 
              | Histamine H1 Receptor Antagonists use Histamine H1 Antagonists | 
              | Histamine H1 Receptor Blockaders use Histamine H1 Antagonists | 
              | Histamine H1 Receptors use Receptors, Histamine H1 | 
              | Histamine H2 Agonists use Histamine Agonists | 
              | Histamine H2 Antagonists | 
              | Histamine H2 Receptor Antagonists use Histamine H2 Antagonists | 
              | Histamine H2 Receptor Blockaders use Histamine H2 Antagonists | 
              | Histamine H2 Receptors use Receptors, Histamine H2 | 
              | Histamine H3 Agonists use Histamine Agonists | 
              | Histamine H3 Antagonists | 
              | Histamine H3 Receptor Antagonists use Histamine H3 Antagonists | 
              | Histamine H3 Receptors use Receptors, Histamine H3 | 
              | Histamine Liberation use Histamine Release | 
              | Histamine Methyltransferase use Histamine N-Methyltransferase | 
              | Histamine N-Methyltransferase | 
              | Histamine Receptors use Receptors, Histamine | 
              | Histamine Release | 
              | Histamine-Producing Cell-Stimulating Factor use Granulocyte-Macrophage Colony-Stimulating Factor | 
              | Histaminum use Histaminum Muriaticum | 
              | Histaminum Muriaticum | 
              | Histapyridamine use Pheniramine | 
              | Histatins | 
              | Histidase use Histidine Ammonia-Lyase | 
              | Histidine | 
              | Histidine Ammonia-Lyase | 
              | Histidine Carboxy-Lyase use Histidine Decarboxylase | 
              | Histidine Decarboxylase | 
              | Histidine-Specific tRNA use RNA, Transfer, His | 
              | Histidine-tRNA Ligase | 
              | Histidinol | 
              | Histidinol Phosphate Phosphatase use Histidinol-Phosphatase | 
              | Histidinol-Phosphatase | 
              | Histidol use Histidinol | 
              | Histidyl T RNA Synthetase use Histidine-tRNA Ligase | 
              | Histiocytes | 
              | Histiocytic Disorders, Malignant | 
              | Histiocytic Lymphoma, Diffuse use Lymphoma, Large B-Cell, Diffuse | 
              | Histiocytic Necrotizing Lymphadenitis | 
              | Histiocytic Sarcoma | 
              | Histiocytoma | 
              | Histiocytoma, Benign Fibrous | 
              | Histiocytoma, Cutaneous use Histiocytoma, Benign Fibrous | 
              | Histiocytoma, Fibrous use Histiocytoma, Benign Fibrous | 
              | Histiocytoma, Malignant Fibrous | 
              | Histiocytosis | 
              | Histiocytosis X use Histiocytosis, Langerhans-Cell | 
              | Histiocytosis, Langerhans-Cell | 
              | Histiocytosis, Malignant use Histiocytic Sarcoma | 
              | Histiocytosis, Non-Langerhans-Cell | 
              | Histiocytosis, Sea-Blue use Sea-Blue Histiocyte Syndrome | 
              | Histiocytosis, Sinus | 
              | Histocompatibility | 
              | Histocompatibility Antigen DNA Probes use DNA Probes, HLA | 
              | Histocompatibility Antigens | 
              | Histocompatibility Antigens Class I | 
              | Histocompatibility Antigens Class II | 
              | Histocompatibility Antigens, Minor use Minor Histocompatibility Antigens | 
              | Histocompatibility Complex use Major Histocompatibility Complex | 
              | Histocompatibility Loci, Minor use Minor Histocompatibility Loci | 
              | Histocompatibility Testing | 
              | Histocompatibility, Maternal-Fetal | 
              | Histocytochemistry | 
              | Histocytological Preparation Techniques | 
              | Histological Labeling use Staining and Labeling | 
              | Histological Techniques | 
              | Histology | 
              | Histology, Comparative | 
              | Histomoniasis use Protozoan Infections | 
              | Histone Acetyltransferases | 
              | Histone Code | 
              | Histone Deacetylases | 
              | Histone H1 Kinase, M-Phase-Specific use Maturation-Promoting Factor | 
              | Histone Kinase use Protamine Kinase | 
              | Histone Kinase p34(cdc2) use CDC2 Protein Kinase | 
              | Histone-Lysine N-Methyltransferase | 
              | Histones | 
              | Histophilus use Pasteurellaceae | 
              | Histoplasma | 
              | Histoplasma capsulatum use Histoplasma | 
              | Histoplasmin | 
              | Histoplasmosis | 
              | Historical Article | 
              | Historical Cohort Studies use Cohort Studies | 
              | Historical Geographic Locations | 
              | Historiography | 
              | History | 
              | History of Dentistry | 
              | History of Homeopathy | 
              | History of Homeopathy, 18th Century | 
              | History of Homeopathy, 19th Century | 
              | History of Homeopathy, 20th Century | 
              | History of Homeopathy, 21st Century | 
              | History of Medicine | 
              | History of Nursing | 
              | History, 15th Century | 
              | History, 16th Century | 
              | History, 17th Century | 
              | History, 18th Century | 
              | History, 19th Century | 
              | History, 20th Century | 
              | History, 21st Century | 
              | History, Ancient | 
              | History, Early Modern 1451-1600 | 
              | History, Medieval | 
              | History, Modern use History, Modern 1601- | 
              | History, Modern 1601- | 
              | Histotropism use Medicamentous Tropism | 
              | Histrionic Personality Disorder | 
              | HIV | 
              | HIV Antibodies | 
              | HIV Antibody Positivity use HIV Seropositivity | 
              | HIV Antigens | 
              | HIV Core Protein p24 | 
              | HIV Dementia use AIDS Dementia Complex | 
              | HIV Encephalopathy use AIDS Dementia Complex | 
              | HIV Enhancer | 
              | HIV Enteropathy | 
              | HIV Entry Inhibitors use HIV Fusion Inhibitors | 
              | HIV Envelope Protein gp120 | 
              | HIV Envelope Protein gp160 | 
              | HIV Envelope Protein gp41 | 
              | HIV Fusion Inhibitors | 
              | HIV gag Gene Product p24 use HIV Core Protein p24 | 
              | HIV Infections | 
              | HIV Integrase | 
              | HIV Integrase Inhibitors | 
              | HIV Long Terminal Repeat | 
              | HIV Long-Term Survivors | 
              | HIV Major Core Protein p24 use HIV Core Protein p24 | 
              | HIV Negative Regulatory Element use HIV Long Terminal Repeat | 
              | HIV NF-kappa B-Binding Site use HIV Enhancer | 
              | HIV Non-Progressors use HIV Long-Term Survivors | 
              | HIV p24 Antigen use HIV Core Protein p24 | 
              | HIV Peptide T use Peptide T | 
              | HIV Protease | 
              | HIV Protease Inhibitors | 
              | HIV Proteinase use HIV Protease | 
              | HIV Proteins use Human Immunodeficiency Virus Proteins | 
              | HIV Receptors use Receptors, HIV | 
              | HIV rev Gene Product use rev Gene Products, Human Immunodeficiency Virus | 
              | HIV rev-Responsive Element use Genes, env | 
              | HIV Reverse Transcriptase | 
              | HIV Seroconversion use HIV Seropositivity | 
              | HIV Serodiagnosis use AIDS Serodiagnosis | 
              | HIV Seronegativity | 
              | HIV Seropositivity | 
              | HIV Seroprevalence | 
              | HIV SP1-Binding Site use HIV Long Terminal Repeat | 
              | HIV tat Protein use tat Gene Products, Human Immunodeficiency Virus | 
              | HIV trans-Acting Responsive Region use HIV Long Terminal Repeat | 
              | HIV Transacting Transcription Protein use tat Gene Products, Human Immunodeficiency Virus | 
              | HIV Transmembrane Protein gp41 use HIV Envelope Protein gp41 | 
              | HIV Vaccines use AIDS Vaccines | 
              | HIV vif Gene Product use vif Gene Products, Human Immunodeficiency Virus | 
              | HIV vpr Gene Product use vpr Gene Products, Human Immunodeficiency Virus | 
              | HIV Wasting Disease use HIV Wasting Syndrome | 
              | HIV Wasting Syndrome | 
              | HIV-1 | 
              | HIV-1-Associated Cognitive Motor Complex use AIDS Dementia Complex | 
              | HIV-2 | 
              | HIV-3'-orf Genes use Genes, nef | 
              | HIV-Associated Antibodies use HIV Antibodies | 
              | HIV-Associated Antigens use HIV Antigens | 
              | HIV-Associated Cognitive Motor Complex use AIDS Dementia Complex | 
              | HIV-Associated Enteropathy use HIV Enteropathy | 
              | HIV-Associated Lipodystrophy Syndrome | 
              | HIV-Associated Nephropathy use AIDS-Associated Nephropathy | 
              | HIV-Associated Vasculitis of the Central Nervous System use AIDS Arteritis, Central Nervous System | 
              | HIV-Related Lymphoma use Lymphoma, AIDS-Related | 
              | HIV-Related Opportunistic Infections use AIDS-Related Opportunistic Infections | 
              | Hives use Urticaria | 
              | hK1 Kallikrein use Tissue Kallikreins | 
              | hK2 Kallikrein use Tissue Kallikreins | 
              | hK3 Kallikrein use Prostate-Specific Antigen | 
              | HL-60 Cells | 
              | HLA Antigens | 
              | HLA DNA Probes use DNA Probes, HLA | 
              | HLA Typing use Histocompatibility Testing | 
              | HLA-A Antigens | 
              | HLA-A1 Antigen | 
              | HLA-A2 Antigen | 
              | HLA-A3 Antigen | 
              | HLA-B Antigens | 
              | HLA-B27 Antigen | 
              | HLA-B35 Antigen | 
              | HLA-B7 Antigen | 
              | HLA-B8 Antigen | 
              | HLA-BR Antigens use HLA-DR Antigens | 
              | HLA-Bw35 use HLA-B35 Antigen | 
              | HLA-C Antigens | 
              | HLA-D Antigens | 
              | HLA-D-Related Antigens use HLA-DR Antigens | 
              | HLA-DC Antigens use HLA-DQ Antigens | 
              | HLA-DP Antigens | 
              | HLA-DQ Antigens | 
              | HLA-DR Antigens | 
              | HLA-DR1 Antigen | 
              | HLA-DR2 Antigen | 
              | HLA-DR3 Antigen | 
              | HLA-DR4 Antigen | 
              | HLA-DR5 Antigen | 
              | HLA-DR6 Antigen | 
              | HLA-DR7 Antigen | 
              | HLA-DRw6 use HLA-DR6 Antigen | 
              | HLA-Dw Antigens use HLA-D Antigens | 
              | HLA-MB Antigens use HLA-DQ Antigens | 
              | HLA-MT Antigens use HLA-DR Antigens | 
              | HLA-PL Antigens use HLA-DP Antigens | 
              | HLA-SB Antigens use HLA-DP Antigens | 
              | HLH Motifs use Helix-Loop-Helix Motifs | 
              | Hly Factors use Hemolysin Factors | 
              | HMG 14 Protein use HMGN1 Protein | 
              | HMG 17 Protein use HMGN2 Protein | 
              | HMG CoA Reductases use Hydroxymethylglutaryl CoA Reductases | 
              | HMG CoA Reductases, NAD-Dependent use Hydroxymethylglutaryl-CoA Reductases, NAD-Dependent | 
              | HMG I-C Protein use HMGA2 Protein | 
              | HMG I-Type Protein use HMGA1a Protein | 
              | HMG Proteins use High Mobility Group Proteins | 
              | HMG-AT-Hook Proteins use HMGA Proteins | 
              | HMG-Box Domains | 
              | HMG-Box Proteins use HMGB Proteins | 
              | HMG-CoA Reductase Inhibitors use Hydroxymethylglutaryl-CoA Reductase Inhibitors | 
              | HMG1 use HMGB1 Protein | 
              | HMG2 use HMGB2 Protein | 
              | HMG2a use HMGB3 Protein | 
              | HMGA Proteins | 
              | HMGA1a Protein | 
              | HMGA1b Protein | 
              | HMGA1c Protein | 
              | HMGA2 Protein | 
              | HMGB Proteins | 
              | HMGB1 Protein | 
              | HMGB2 Protein | 
              | HMGB3 Protein | 
              | HMGN Proteins | 
              | HMGN1 Protein | 
              | HMGN2 Protein | 
              | HMN Proximal Type I use Spinal Muscular Atrophies of Childhood | 
              | HMO use Health Maintenance Organizations | 
              | HMSN use Hereditary Motor and Sensory Neuropathies | 
              | HMSN Type I use Charcot-Marie-Tooth Disease | 
              | HMSN Type II use Charcot-Marie-Tooth Disease | 
              | HMSN Type III use Hereditary Motor and Sensory Neuropathies | 
              | HMSN Type IV use Refsum Disease | 
              | HMSN Type VII use Hereditary Motor and Sensory Neuropathies | 
              | HN Protein | 
              | hnRNP A-B Proteins use Heterogeneous-Nuclear Ribonucleoprotein Group A-B | 
              | HNRNP D use Heterogeneous-Nuclear Ribonucleoprotein D | 
              | hnRNP M use Heterogeneous-Nuclear Ribonucleoprotein Group M | 
              | Ho YAG Lasers use Lasers, Solid-State | 
              | Hoang-nan use Strychnos gaultheriana | 
              | Hoarseness | 
              | Hobbies | 
              | Hock use Tarsus, Animal | 
              | Hockey | 
              | Hodgkin Disease | 
              | Hodgkin Lymphoma use Hodgkin Disease | 
              | Hog Cholera use Classical Swine Fever | 
              | Hog Cholera Virus use Classical swine fever virus | 
              | Hog-Nosed Skunks use Mephitidae | 
              | Hogness Box use TATA Box | 
              | Hoitzia coccinea | 
              | Holarrhena | 
              | Holarrhena antidysenterica use Kurchi | 
              | Holcus | 
              | Holidays | 
              | Holistic Health | 
              | Holistic Medicine use Holistic Health | 
              | Holistic Nursing | 
              | Holistic Therapies use Holistic Health | 
              | Holland use Netherlands | 
              | Holliday Junction Resolvase use Holliday Junction Resolvases | 
              | Holliday Junction Resolvases | 
              | Holly use Ilex | 
              | Holly Oak use Quercus | 
              | Holly, Sea use Eryngium | 
              | Holmes-Adie Syndrome use Adie Syndrome | 
              | Holmium | 
              | Holmium Doped Yttrium Aluminum Garnet Lasers use Lasers, Solid-State | 
              | Holmium-YAG Lasers use Lasers, Solid-State | 
              | Holocarboxylase Synthetase Deficiency | 
              | Holocaust | 
              | Holoenzymes | 
              | Holography | 
              | Holoprosencephaly | 
              | Holospora use Holosporaceae | 
              | Holosporaceae | 
              | Holothuria | 
              | Holothurin | 
              | Holothuroidea use Sea Cucumbers | 
              | Holter Monitoring use Electrocardiography, Ambulatory | 
              | Holtzman Inkblot Test | 
              | Holy See use Vatican City | 
              | Holy See (Vatican City State) use Vatican City | 
              | Homaridae use Nephropidae | 
              | Homarus use Nephropidae | 
              | Homarus (Homeopathy) | 
              | Homarus gammarus use Homarus (Homeopathy) | 
              | Home Accidents use Accidents, Home | 
              | Home Blood Glucose Monitoring use Blood Glucose Self-Monitoring | 
              | Home Care Agencies | 
              | Home Care Aides use Home Health Aides | 
              | Home Care Services | 
              | Home Care Services, Hospital-Based | 
              | Home Care, Non-Professional use Home Nursing | 
              | Home Childbirth | 
              | Home Health Agencies use Home Care Agencies | 
              | Home Health Aides | 
              | Home Health Care Agencies use Home Care Agencies | 
              | Home Hemodialysis use Hemodialysis, Home | 
              | Home Infusion Therapy | 
              | Home Nursing | 
              | Home Parenteral Nutrition use Parenteral Nutrition, Home | 
              | Home Range use Homing Behavior | 
              | Home Remedies use Medicine, Traditional | 
              | Home Total Parenteral Nutrition use Parenteral Nutrition, Home Total | 
              | Home Visit | 
              | Homebound Persons | 
              | Homeless Children use Homeless Youth | 
              | Homeless Persons | 
              | Homeless Youth | 
              | Homemaker Services | 
              | Homemaker-Home Health Aides use Home Health Aides | 
              | Homeobox Proteins use Homeodomain Proteins | 
              | Homeobox Sequence use Genes, Homeobox | 
              | Homeodomain Proteins | 
              | Homeodote use Antidotes | 
              | Homeopathic Anamnesis | 
              | Homeopathic Attenuations use Dynamization | 
              | Homeopathic Clinical History use Homeopathic Anamnesis | 
              | Homeopathic Clinics | 
              | Homeopathic Consultation use Homeopathic Anamnesis | 
              | Homeopathic Doctrine use Homeopathy Basis | 
              | Homeopathic Dose use Posology | 
              | Homeopathic Drug | 
              | Homeopathic Drug A | 
              | Homeopathic Drug B | 
              | Homeopathic Drug C | 
              | Homeopathic Drug D | 
              | Homeopathic Drug E | 
              | Homeopathic Drug F | 
              | Homeopathic Drug G | 
              | Homeopathic Drug H | 
              | Homeopathic Drug I | 
              | Homeopathic Drug J | 
              | Homeopathic Drug K | 
              | Homeopathic Drug L | 
              | Homeopathic Drug M | 
              | Homeopathic Drug N | 
              | Homeopathic Drug O | 
              | Homeopathic Drug P | 
              | Homeopathic Drug Preparation use Homeopathic Pharmacotechniques | 
              | Homeopathic Drug Q | 
              | Homeopathic Drug R | 
              | Homeopathic Drug S | 
              | Homeopathic Drug Selection use Diagnosis, Medicamentous | 
              | Homeopathic Drug T | 
              | Homeopathic Drug U | 
              | Homeopathic Drug V | 
              | Homeopathic Drug W | 
              | Homeopathic Drug X | 
              | Homeopathic Drug Y | 
              | Homeopathic Drug Z | 
              | Homeopathic Drugs Classification | 
              | Homeopathic Drugs Nomenclature | 
              | Homeopathic Drugs Origin | 
              | Homeopathic Drugs Synonymy | 
              | Homeopathic Drugs, New | 
              | Homeopathic Interrogatory use Homeopathic Anamnesis | 
              | Homeopathic Medicine use Homeopathic Drug | 
              | Homeopathic Pharmaceutical Complex | 
              | Homeopathic Pharmacies | 
              | Homeopathic Pharmacopeias use Pharmacopoeias, Homeopathic | 
              | Homeopathic Pharmacopoeias use Pharmacopoeias, Homeopathic | 
              | Homeopathic Pharmacotechniques | 
              | Homeopathic Pharmacy | 
              | Homeopathic Philosophy | 
              | Homeopathic Physicians | 
              | Homeopathic Physicians, Veterinary use Veterinary Physicians, Homeopathic | 
              | Homeopathic Prescription | 
              | Homeopathic Remedies use Materia Medica | 
              | Homeopathic Semiology | 
              | Homeopathic Solutions use Hydroalcoholic Solution | 
              | Homeopathic Therapeutics | 
              | Homeopathic Vehicles | 
              | Homeopathic Veterinary Physicians use Veterinary Physicians, Homeopathic | 
              | Homeopaths use Homeopathic Physicians | 
              | Homeopathy | 
              | Homeopathy Advertising | 
              | Homeopathy Basis | 
              | Homeopathy Limitations | 
              | Homeoproteins use Homeodomain Proteins | 
              | Homeostasis | 
              | Homeotic Genes use Genes, Homeobox | 
              | Homeria use Iridaceae | 
              | Homeria collina | 
              | Homes for the Aged | 
              | Homesickness use Loneliness | 
              | Homicide | 
              | Homing Behavior | 
              | Homing Receptors, T-Cell use Receptors, Lymphocyte Homing | 
              | Hominidae | 
              | Hominids use Hominidae | 
              | Hominins use Hominidae | 
              | Homo use Hominidae | 
              | Homo sapiens use Humans | 
              | Homo-gamma Linolenic Acid use 8,11,14-Eicosatrienoic Acid | 
              | Homoarginine | 
              | Homocysteine | 
              | Homocysteine S-Methyltransferase | 
              | Homocystine | 
              | Homocystinuria | 
              | Homoeopathy use Homeopathy | 
              | Homogentisate 1,2-Dioxygenase | 
              | Homogentisic Acid | 
              | Homograft use Transplantation, Homologous | 
              | Homograft Dressings use Biological Dressings | 
              | Homograft, Isogeneic use Transplantation, Isogeneic | 
              | Homograft, Syngeneic use Transplantation, Isogeneic | 
              | Homoisoflavones use Isoflavones | 
              | Homologous Restriction Factor 20 use Antigens, CD59 | 
              | Homologous Sequences use Sequence Homology | 
              | Homologous Sequences, Amino Acid use Sequence Homology, Amino Acid | 
              | Homologous Sequences, Nucleic Acid use Sequence Homology, Nucleic Acid | 
              | Homologous Wasting Disease use Graft vs Host Disease | 
              | Homoprotocatechuic Acid use 3,4-Dihydroxyphenylacetic Acid | 
              | Homoserine | 
              | Homoserine Deaminase use Cystathionine gamma-Lyase | 
              | Homoserine Dehydratase use Cystathionine gamma-Lyase | 
              | Homoserine Dehydrogenase | 
              | Homoserine O-Succinyltransferase | 
              | Homosexuality | 
              | Homosexuality, Ego-Dystonic use Homosexuality | 
              | Homosexuality, Female | 
              | Homosexuality, Male | 
              | Homosteroids | 
              | Homosynaptic Depression use Long-Term Synaptic Depression | 
              | Homovanillic Acid | 
              | Homozygote | 
              | Honduras | 
              | Honey | 
              | Honeysuckle use Lonicera | 
              | Hong Kong | 
              | Hooded Skunks use Mephitidae | 
              | Hoof and Claw | 
              | Hooks, Surgical use Surgical Instruments | 
              | Hookworm Infections | 
              | Hookworm, New World use Necator americanus | 
              | Hookworm, Old World use Ancylostoma | 
              | Hookworms use Ancylostomatoidea | 
              | Hopea use Dipterocarpaceae | 
              | Hoplopleura use Anoplura | 
              | Hops use Humulus | 
              | Hordeolum | 
              | Hordeum | 
              | Horehound use Marrubium | 
              | Horehound, Black use Ballota | 
              | Horehound, Common use Marrubium | 
              | Horehound, Water use Lycopus | 
              | Horehound, Woolly use Marrubium | 
              | Horizontal Cells, Retinal use Retinal Horizontal Cells | 
              | Horizontal Cooperation | 
              | Horizontal Filters | 
              | Horizontal Gene Transfer use Gene Transfer, Horizontal | 
              | Horizontal Nystagmus use Nystagmus, Pathologic | 
              | Hormonal Antineoplastic Agents use Antineoplastic Agents, Hormonal | 
              | Hormonal Disruptors | 
              | Hormone Antagonists | 
              | Hormone Receptors, Cell Surface use Receptors, Cell Surface | 
              | Hormone Receptors, Cytoplasmic use Receptors, Cytoplasmic and Nuclear | 
              | Hormone Receptors, Nuclear use Receptors, Cytoplasmic and Nuclear | 
              | Hormone Replacement Therapy | 
              | Hormone Replacement Therapy, Post-Menopausal use Estrogen Replacement Therapy | 
              | Hormone-Dependent Neoplasms use Neoplasms, Hormone-Dependent | 
              | Hormones | 
              | Hormones, Ectopic | 
              | Hormones, Hormone Substitutes, and Hormone Antagonists | 
              | Hormones, Invertebrate use Invertebrate Hormones | 
              | Hormones, Peptide use Peptide Hormones | 
              | Hormones, Substitutes, Antagonists use Hormones, Hormone Substitutes, and Hormone Antagonists | 
              | Horn Fly use Muscidae | 
              | Hornbeam use Betulaceae | 
              | Hornbeam, Hop use Betulaceae | 
              | Horned Lark use Songbirds | 
              | Horner Syndrome | 
              | Horner's Syndrome use Horner Syndrome | 
              | Hornets use Wasps | 
              | Horns | 
              | Horse Chestnut use Aesculus | 
              | Horse Diseases | 
              | Horsebean use Vicia faba | 
              | Horsenettle use Solanum | 
              | Horseradish use Armoracia | 
              | Horseradish Peroxidase | 
              | Horseradish, Japanese use Wasabia | 
              | Horses | 
              | Horseshoe Bats use Chiroptera | 
              | Horseshoe Crabs | 
              | Horsetail use Equisetum | 
              | Horseweed use Conyza | 
              | Horton Disease use Giant Cell Arteritis | 
              | Horton Giant Cell Arteritis use Giant Cell Arteritis | 
              | Horton Syndrome use Cluster Headache | 
              | Hortonia use Monimiaceae | 
              | Hospice Care | 
              | Hospice Programs use Hospice Care | 
              | Hospices | 
              | Hospital Administration | 
              | Hospital Administrators | 
              | Hospital Admission Tests use Diagnostic Tests, Routine | 
              | Hospital Admissions Office use Admitting Department, Hospital | 
              | Hospital Admitting Department use Admitting Department, Hospital | 
              | Hospital Ancillary Services use Ancillary Services, Hospital | 
              | Hospital Anesthesia Department use Anesthesia Department, Hospital | 
              | Hospital Anesthesia-Resuscitation Department use Anesthesia Department, Hospital | 
              | Hospital Auxiliaries | 
              | Hospital Bed Capacity | 
              | Hospital Bed Capacity, 100 to 299 | 
              | Hospital Bed Capacity, 300 to 499 | 
              | Hospital Bed Capacity, 500 and over | 
              | Hospital Bed Capacity, under 100 | 
              | Hospital Bed Density use Hospital Bed Capacity | 
              | Hospital Cardiology Service use Cardiology Service, Hospital | 
              | Hospital Care | 
              | Hospital Central Supplies use Central Supply, Hospital | 
              | Hospital Central Supply use Central Supply, Hospital | 
              | Hospital Chaplaincy Service use Chaplaincy Service, Hospital | 
              | Hospital Charges | 
              | Hospital Chief Executive Officers use Chief Executive Officers, Hospital | 
              | Hospital Closure use Health Facility Closure | 
              | Hospital Closures use Health Facility Closure | 
              | Hospital Communication Systems | 
              | Hospital Costs | 
              | Hospital Dental Service use Dental Service, Hospital | 
              | Hospital Dental Staff use Dental Staff, Hospital | 
              | Hospital Departments | 
              | Hospital Design and Construction | 
              | Hospital Distribution Systems | 
              | Hospital Diversification use Hospital Restructuring | 
              | Hospital Drug Distribution Systems use Medication Systems, Hospital | 
              | Hospital Economics use Economics, Hospital | 
              | Hospital Education Department use Education Department, Hospital | 
              | Hospital Emergency Service use Emergency Service, Hospital | 
              | Hospital Engineering use Maintenance and Engineering, Hospital | 
              | Hospital Equipment and Supplies use Equipment and Supplies, Hospital | 
              | Hospital Financial Management use Financial Management, Hospital | 
              | Hospital Financial Managements use Financial Management, Hospital | 
              | Hospital Food Service use Food Service, Hospital | 
              | Hospital Gift Shops use Hospital Shops | 
              | Hospital Groundskeeping use Maintenance and Engineering, Hospital | 
              | Hospital Group Purchasing use Group Purchasing | 
              | Hospital Hemodialysis Units use Hemodialysis Units, Hospital | 
              | Hospital Housekeeping use Housekeeping, Hospital | 
              | Hospital Incident Reporting use Risk Management | 
              | Hospital Incinerators | 
              | Hospital Infection Control Program | 
              | Hospital Infection Control Services use Infection Control Services, Hospital | 
              | Hospital Infections use Cross Infection | 
              | Hospital Information Systems | 
              | Hospital Insurance Program, Medicare use Medicare Part A | 
              | Hospital Inventories use Inventories, Hospital | 
              | Hospital Laboratories use Laboratories, Hospital | 
              | Hospital Laundry Service use Laundry Service, Hospital | 
              | Hospital Libraries use Libraries, Hospital | 
              | Hospital Licensure use Licensure, Hospital | 
              | Hospital Maintenance use Maintenance and Engineering, Hospital | 
              | Hospital Materials Management use Materials Management, Hospital | 
              | Hospital Medical Records Department use Medical Records Department, Hospital | 
              | Hospital Medical Staff use Medical Staff, Hospital | 
              | Hospital Medication System use Medication Systems, Hospital | 
              | Hospital Medication Systems use Medication Systems, Hospital | 
              | Hospital Merger use Health Facility Merger | 
              | Hospital Mortality | 
              | Hospital Moving use Health Facility Moving | 
              | Hospital Nuclear Medicine Department use Nuclear Medicine Department, Hospital | 
              | Hospital Nurseries use Nurseries, Hospital | 
              | Hospital Nursing Service use Nursing Service, Hospital | 
              | Hospital Nursing Staff use Nursing Staff, Hospital | 
              | Hospital Obstetrics and Gynecology Department use Obstetrics and Gynecology Department, Hospital | 
              | Hospital Occupational Therapy Department use Occupational Therapy Department, Hospital | 
              | Hospital Organization and Administration use Hospital Administration | 
              | Hospital Outpatient Clinics use Outpatient Clinics, Hospital | 
              | Hospital Pathology Department use Pathology Department, Hospital | 
              | Hospital Personnel use Personnel, Hospital | 
              | Hospital Personnel Administration use Personnel Administration, Hospital | 
              | Hospital Pharmacy Service use Pharmacy Service, Hospital | 
              | Hospital Physical Therapy Department use Physical Therapy Department, Hospital | 
              | Hospital Planning | 
              | Hospital Psychiatric Department use Psychiatric Department, Hospital | 
              | Hospital Purchasing use Purchasing, Hospital | 
              | Hospital Purchasings use Purchasing, Hospital | 
              | Hospital Radiology Department use Radiology Department, Hospital | 
              | Hospital Readmission use Patient Readmission | 
              | Hospital Records | 
              | Hospital Recovery Room use Recovery Room | 
              | Hospital Recovery Rooms use Recovery Room | 
              | Hospital Referral use Referral and Consultation | 
              | Hospital Renovation use Hospital Design and Construction | 
              | Hospital Renovations use Hospital Design and Construction | 
              | Hospital Reorganization use Hospital Restructuring | 
              | Hospital Respiratory Therapy Department use Respiratory Therapy Department, Hospital | 
              | Hospital Restructuring | 
              | Hospital Sanitation | 
              | Hospital Services | 
              | Hospital Services, Centralized use Centralized Hospital Services | 
              | Hospital Shared Services | 
              | Hospital Shops | 
              | Hospital Size use Health Facility Size | 
              | Hospital Social Work Department use Social Work Department, Hospital | 
              | Hospital Statistics | 
              | Hospital Stay use Hospitalization | 
              | Hospital Surgery Department use Surgery Department, Hospital | 
              | Hospital Units | 
              | Hospital Urology Department use Urology Department, Hospital | 
              | Hospital Volunteers | 
              | Hospital-Addiction Syndrome use Munchausen Syndrome | 
              | Hospital-Based Home Care use Home Care Services, Hospital-Based | 
              | Hospital-Patient Relations | 
              | Hospital-Physician Joint Ventures | 
              | Hospital-Physician Relations | 
              | Hospitalists | 
              | Hospitalization | 
              | Hospitalization Insurance use Insurance, Hospitalization | 
              | Hospitalization, Partial use Day Care | 
              | Hospitalized Child use Child, Hospitalized | 
              | Hospitals | 
              | Hospitals, Air Force use Hospitals, Military | 
              | Hospitals, Animal | 
              | Hospitals, Army use Hospitals, Military | 
              | Hospitals, Branch use Hospitals, Satellite | 
              | Hospitals, Cancer use Cancer Care Facilities | 
              | Hospitals, Chronic Disease | 
              | Hospitals, City use Hospitals, Urban | 
              | Hospitals, City, Non-Public-Owned use Hospitals, Urban | 
              | Hospitals, City, Public-Owned use Hospitals, Municipal | 
              | Hospitals, Community | 
              | Hospitals, Convalescent | 
              | Hospitals, County | 
              | Hospitals, Day | 
              | Hospitals, District | 
              | Hospitals, Federal | 
              | Hospitals, General | 
              | Hospitals, Group Practice | 
              | Hospitals, Isolation | 
              | Hospitals, Maternity | 
              | Hospitals, Metropolitan use Hospitals, Urban | 
              | Hospitals, Military | 
              | Hospitals, Municipal | 
              | Hospitals, Navy use Hospitals, Military | 
              | Hospitals, Osteopathic | 
              | Hospitals, Packaged | 
              | Hospitals, Pediatric | 
              | Hospitals, Private | 
              | Hospitals, Private, for-Profit use Hospitals, Proprietary | 
              | Hospitals, Private, Investor-Owned use Hospitals, Proprietary | 
              | Hospitals, Private, Not-for-Profit use Hospitals, Voluntary | 
              | Hospitals, Proprietary | 
              | Hospitals, Psychiatric | 
              | Hospitals, Public | 
              | Hospitals, Religious | 
              | Hospitals, Rural | 
              | Hospitals, Satellite | 
              | Hospitals, Special | 
              | Hospitals, State | 
              | Hospitals, Teaching | 
              | Hospitals, University | 
              | Hospitals, Urban | 
              | Hospitals, Veterans | 
              | Hospitals, Veterinary use Hospitals, Animal | 
              | Hospitals, Voluntary | 
              | Host Cell Factor C1 | 
              | Host Factor 1 Protein | 
              | Host vs Graft Reaction | 
              | Host-Parasite Interactions | 
              | Host-Parasite Relations use Host-Parasite Interactions | 
              | Host-Pathogen Interactions | 
              | Host-Pathogen Relations use Host-Pathogen Interactions | 
              | Hosta | 
              | Hostages use Prisoners | 
              | Hostility | 
              | Hot Flashes | 
              | Hot Front | 
              | Hot Springs | 
              | Hot Temperature | 
              | Hotel Sanitation | 
              | Hotels use Hotel Sanitation | 
              | Hotlines | 
              | Hour Variations | 
              | House Calls | 
              | House Connections use House Installations | 
              | House Dust use Dust | 
              | House Dust Mite, American use Dermatophagoides farinae | 
              | House Dust Mites use Pyroglyphidae | 
              | House Installations | 
              | House Staff use Internship and Residency | 
              | Houseflies | 
              | Household Articles | 
              | Household Bleaches use Bleaches | 
              | Household Equipment use Household Articles | 
              | Household Products | 
              | Household Supplies use Household Products | 
              | Housekeeping | 
              | Housekeeping, Hospital | 
              | Housing | 
              | Housing Flow Measurement use Water Consumption Measurement | 
              | Housing for the Elderly | 
              | Housing Hygiene use Housing Sanitation | 
              | Housing Incinerators | 
              | Housing Sanitation | 
              | Housing, Animal | 
              | Houttuynia | 
              | Howell-Jolly Bodies use Erythrocyte Inclusions | 
              | HPLC use Chromatography, High Pressure Liquid | 
              | HPNS use High Pressure Neurological Syndrome | 
              | HPRT use Hypoxanthine Phosphoribosyltransferase | 
              | hPTH (1-34) use Teriparatide | 
              | HPV DNA Probes use DNA Probes, HPV | 
              | HRF20 use Antigens, CD59 | 
              | HSAN use Hereditary Sensory and Autonomic Neuropathies | 
              | HSAN Type I use Hereditary Sensory and Autonomic Neuropathies | 
              | HSAN Type II use Hereditary Sensory and Autonomic Neuropathies | 
              | HSAN Type III use Dysautonomia, Familial | 
              | HSAN Type IV use Hereditary Sensory and Autonomic Neuropathies | 
              | HSAN Type V use Hereditary Sensory and Autonomic Neuropathies | 
              | HSC70 Heat-Shock Proteins | 
              | Hsc70 Protein use HSC70 Heat-Shock Proteins | 
              | HSN Type I use Hereditary Sensory and Autonomic Neuropathies | 
              | HSN Type II use Hereditary Sensory and Autonomic Neuropathies | 
              | hsp10 Family use Chaperonin 10 | 
              | HSP110 Heat-Shock Proteins | 
              | HSP20 Heat-Shock Proteins | 
              | HSP27 Heat-Shock Proteins | 
              | HSP30 Heat-Shock Proteins | 
              | HSP40 Heat-Shock Proteins | 
              | HSP47 Heat-Shock Proteins | 
              | hsp60 Family use Chaperonin 60 | 
              | HSP70 Heat-Shock Proteins | 
              | HSP72 Heat-Shock Proteins | 
              | HSP90 Heat-Shock Proteins | 
              | HSPG use Heparan Sulfate Proteoglycans | 
              | HSV Vaccines use Herpes Simplex Virus Vaccines | 
              | HSV-1 use Herpesvirus 1, Human | 
              | HSV-1 Protein VP16 use Herpes Simplex Virus Protein Vmw65 | 
              | HSV-2 use Herpesvirus 2, Human | 
              | HT29 Cells | 
              | HTH Motifs use Helix-Turn-Helix Motifs | 
              | HTLV Antibodies use Deltaretrovirus Antibodies | 
              | HTLV Antigens use Deltaretrovirus Antigens | 
              | HTLV Infections use Deltaretrovirus Infections | 
              | HTLV Viruses use Deltaretrovirus | 
              | HTLV-1 use Human T-lymphotropic virus 1 | 
              | HTLV-2 use Human T-Lymphotropic Virus 2 | 
              | HTLV-BLV Antibodies use Deltaretrovirus Antibodies | 
              | HTLV-BLV Antigens use Deltaretrovirus Antigens | 
              | HTLV-BLV Infections use Deltaretrovirus Infections | 
              | HTLV-BLV Viruses use Deltaretrovirus | 
              | HTLV-I use Human T-lymphotropic virus 1 | 
              | HTLV-I Antibodies | 
              | HTLV-I Antigens | 
              | HTLV-I Infections | 
              | HTLV-I rex Genes use Genes, pX | 
              | HTLV-I tax Genes use Genes, pX | 
              | HTLV-I-Associated Myelopathy use Paraparesis, Tropical Spastic | 
              | HTLV-II use Human T-Lymphotropic Virus 2 | 
              | HTLV-II Antibodies | 
              | HTLV-II Antigens | 
              | HTLV-II Infections | 
              | HTLV-II rex Genes use Genes, pX | 
              | HTLV-II tax Genes use Genes, pX | 
              | HTLV-III use HIV | 
              | HTLV-III Antibodies use HIV Antibodies | 
              | HTLV-III Antigens use HIV Antigens | 
              | HTLV-III gp120 use HIV Envelope Protein gp120 | 
              | HTLV-III gp160 use HIV Envelope Protein gp160 | 
              | HTLV-III gp41 use HIV Envelope Protein gp41 | 
              | HTLV-III Infections use HIV Infections | 
              | HTLV-III Protease use HIV Protease | 
              | HTLV-III Receptors use Receptors, HIV | 
              | HTLV-III Seroconversion use HIV Seropositivity | 
              | HTLV-III Serodiagnosis use AIDS Serodiagnosis | 
              | HTLV-III Serology use AIDS Serodiagnosis | 
              | HTLV-III Seronegativity use HIV Seronegativity | 
              | HTLV-III Seropositivity use HIV Seropositivity | 
              | HTLV-III-LAV Antibodies use HIV Antibodies | 
              | HTLV-III-LAV Antigens use HIV Antigens | 
              | HTLV-III-LAV Infections use HIV Infections | 
              | HTLV-IV use HIV-2 | 
              | Hu Paraneoplastic Encephalomyelitis Antigens | 
              | Hu-Man-Teng use Gelsemium | 
              | Huckleberry Plant | 
              | Human Activities | 
              | Human Artificial Chromosomes use Chromosomes, Artificial, Human | 
              | Human Astrovirus use Mamastrovirus | 
              | Human B-Lymphotropic Virus use Herpesvirus 6, Human | 
              | Human Body | 
              | Human Characteristics | 
              | Human Chorionic Gonadotropin Receptors use Receptors, LH | 
              | Human Chorionic Gonadotropin, alpha Subunit use Glycoprotein Hormones, alpha Subunit | 
              | Human Chorionic Gonadotropin, beta Subunit use Chorionic Gonadotropin, beta Subunit, Human | 
              | Human Class II Antigens use HLA-D Antigens | 
              | Human Cloning use Cloning, Organism | 
              | Human coronavirus 229E use Coronavirus 229E, Human | 
              | Human coronavirus OC43 use Coronavirus OC43, Human | 
              | Human coxsackievirus A24 use Enterovirus C, Human | 
              | Human coxsackievirus A9 use Enterovirus B, Human | 
              | Human Development | 
              | Human echovirus 6 use Echovirus 6, Human | 
              | Human echovirus 9 use Echovirus 9 | 
              | Human Ecology | 
              | Human Embryo Research use Embryo Research | 
              | Human Endogenous Retroviruses use Endogenous Retroviruses | 
              | Human Engineering | 
              | Human enterovirus 70 use Enterovirus D, Human | 
              | Human Enterovirus 71 use Enterovirus A, Human | 
              | Human enterovirus A use Enterovirus A, Human | 
              | Human enterovirus B use Enterovirus B, Human | 
              | Human enterovirus C use Enterovirus C, Human | 
              | Human enterovirus D use Enterovirus D, Human | 
              | Human Environment use Human Ecology | 
              | Human Experimentation | 
              | Human Experimentation, Nontherapeutic use Nontherapeutic Human Experimentation | 
              | Human Experimentation, Therapeutic use Therapeutic Human Experimentation | 
              | Human Figure use Human Body | 
              | Human Flu use Influenza, Human | 
              | Human Foamy Virus use Simian foamy virus | 
              | Human Forefoot use Forefoot, Human | 
              | Human Genome use Genome, Human | 
              | Human Genome Diversity Project use Human Genome Project | 
              | Human Genome Project | 
              | Human Glandular Kallikrein 1 use Tissue Kallikreins | 
              | Human Glandular Kallikrein 2 use Tissue Kallikreins | 
              | Human Glandular Kallikreins use Tissue Kallikreins | 
              | Human Growth Hormone | 
              | Human hepatitis a virus use Hepatitis A Virus, Human | 
              | Human herpesvirus 1 use Herpesvirus 1, Human | 
              | Human Herpesvirus 2 use Herpesvirus 2, Human | 
              | Human herpesvirus 3 use Herpesvirus 3, Human | 
              | Human Herpesvirus 4 use Herpesvirus 4, Human | 
              | Human Herpesvirus 5 use Cytomegalovirus | 
              | Human herpesvirus 6 use Herpesvirus 6, Human | 
              | Human herpesvirus 7 use Herpesvirus 7, Human | 
              | Human herpesvirus 8 use Herpesvirus 8, Human | 
              | Human Identification use Forensic Anthropology | 
              | Human immunodeficiency virus 1 use HIV-1 | 
              | Human immunodeficiency virus 2 use HIV-2 | 
              | Human Immunodeficiency Virus Long Terminal Repeat use HIV Long Terminal Repeat | 
              | Human Immunodeficiency Virus Proteins | 
              | Human Immunodeficiency Virus-Associated Nephropathy use AIDS-Associated Nephropathy | 
              | Human Immunodeficiency Viruses use HIV | 
              | Human Influenza use Influenza, Human | 
              | Human Leukocyte Antigen DNA Probes use DNA Probes, HLA | 
              | Human Leukocyte Antigens use HLA Antigens | 
              | Human Metapneumovirus use Metapneumovirus | 
              | Human Microbiome use Microbiome | 
              | Human Milk Substitutes use Breast-Milk Substitutes | 
              | Human Nature use Human Characteristics | 
              | Human Papilloma Virus DNA Probes use DNA Probes, HPV | 
              | Human papillomavirus 11 | 
              | Human papillomavirus 16 | 
              | Human papillomavirus 18 | 
              | Human papillomavirus 6 | 
              | Human Papillomavirus Vaccines use Papillomavirus Vaccines | 
              | Human parainfluenza virus 1 use Parainfluenza Virus 1, Human | 
              | Human parainfluenza virus 2 use Parainfluenza Virus 2, Human | 
              | Human parainfluenza virus 3 use Parainfluenza Virus 3, Human | 
              | Human parainfluenza virus 4 use Parainfluenza Virus 4, Human | 
              | Human Parathyroid Hormone (1-34) use Teriparatide | 
              | Human parechovirus use Parechovirus | 
              | Human Parvovirus B19 use Parvovirus B19, Human | 
              | Human Placental Lactogen use Placental Lactogen | 
              | Human Platelet Antigens use Antigens, Human Platelet | 
              | Human poliovirus 1 use Poliovirus | 
              | Human poliovirus 2 use Poliovirus | 
              | Human poliovirus 3 use Poliovirus | 
              | Human Polyomavirus BK use BK Virus | 
              | Human Polyomavirus JC use JC Virus | 
              | Human Resources | 
              | Human Resources Development use Staff Development | 
              | Human Resources Formation | 
              | Human Resources in Disasters | 
              | Human Resources in Science and Technology Indicators | 
              | Human respiratory syncytial virus use Respiratory Syncytial Virus, Human | 
              | Human Rights | 
              | Human Rights Abuses | 
              | Human Settlements | 
              | Human T-Cell Leukemia Virus Antibodies use Deltaretrovirus Antibodies | 
              | Human T-Cell Leukemia Virus Antigens use Deltaretrovirus Antigens | 
              | Human T-Cell Leukemia Virus I use Human T-lymphotropic virus 1 | 
              | Human T-Cell Leukemia Virus I Antibodies use HTLV-I Antibodies | 
              | Human T-Cell Leukemia Virus I Antigens use HTLV-I Antigens | 
              | Human T-Cell Leukemia Virus II use Human T-Lymphotropic Virus 2 | 
              | Human T-Cell Leukemia Virus II Antibodies use HTLV-II Antibodies | 
              | Human T-Cell Leukemia Virus II Antigens use HTLV-II Antigens | 
              | Human T-Cell Leukemia Viruses use Deltaretrovirus | 
              | Human T-Cell Leukemia-Lymphoma Viruses use Deltaretrovirus | 
              | Human T-Cell Lymphotropic Virus Type III use HIV | 
              | Human T-lymphotropic virus 1 | 
              | Human T-Lymphotropic Virus 2 | 
              | Human T-Lymphotropic Virus II use Human T-Lymphotropic Virus 2 | 
              | Human T-Lymphotropic Virus II Antibodies use HTLV-II Antibodies | 
              | Human T-Lymphotropic Virus II Antigens use HTLV-II Antigens | 
              | Human T-Lymphotropic Virus Type III use HIV | 
              | Human T-Lymphotropic Virus Type IV use HIV-2 | 
              | Human torovirus use Torovirus | 
              | Human-Pet Bonding use Bonding, Human-Pet | 
              | Humanism | 
              | Humanitarianism use Altruism | 
              | Humanities | 
              | Humanization of Assistance | 
              | Humanization of Delivery use Humanizing Delivery | 
              | Humanization of Hospital Care use Humanization of Assistance | 
              | Humanization of Services use Humanization of Assistance | 
              | Humanized Delivery use Humanizing Delivery | 
              | Humanizing Childbirth use Humanizing Delivery | 
              | Humanizing Delivery | 
              | Humans | 
              | Humboldt Current use Cold Currents | 
              | Humea elegans | 
              | Humectants use Wetting Agents | 
              | Humeral Fractures | 
              | Humeral Fractures, Proximal use Shoulder Fractures | 
              | Humerus | 
              | Humic Acids use Humic Substances | 
              | Humic Acids (Environmental Health) | 
              | Humic Compounds (Environmental Health) use Humic Acids (Environmental Health) | 
              | Humic Substances | 
              | Humic Substances (Environmental Health) use Humic Acids (Environmental Health) | 
              | Humidity | 
              | Humor | 
              | Humor as Topic use Wit and Humor as Topic | 
              | Humoralism | 
              | Humpback Dolphins use Dolphins | 
              | Humpback Whale | 
              | Humulus | 
              | Humulus lupulus use Lupulus humulus | 
              | Humus | 
              | Hungary | 
              | Hunger | 
              | Hunt | 
              | Hunter Corrective Factor use Iduronate Sulfatase | 
              | Hunter's Syndrome use Mucopolysaccharidosis II | 
              | Huntington Chorea use Huntington Disease | 
              | Huntington Disease | 
              | Huperzia | 
              | Hura brasiliensis | 
              | Hura crepitans | 
              | Hurler's Syndrome use Mucopolysaccharidosis I | 
              | Hurler-Scheie Syndrome use Mucopolysaccharidosis I | 
              | Hurricane Warning | 
              | Hurricane Zone, Cyclogenetic use Cyclogenetic Hurricane Zone | 
              | Hurricanes | 
              | Hurst Disease use Leukoencephalitis, Acute Hemorrhagic | 
              | Hurthle Cell Tumor use Adenoma, Oxyphilic | 
              | Hurthle Cells use Oxyphil Cells | 
              | Husbandry use Livestock Industry | 
              | Husbands use Spouses | 
              | Hutchinson's Melanotic Freckle | 
              | Hutchinson's Teeth use Syphilis, Congenital | 
              | Hutchinson-Gilford Syndrome use Progeria | 
              | HY Antigen use H-Y Antigen | 
              | Hyacinth use Hyacinthus | 
              | Hyacinth, Water use Eichhornia | 
              | Hyacinthaceae use Liliaceae | 
              | Hyacinthus | 
              | Hyaenidae | 
              | Hyalin | 
              | Hyalin Substance use Hyalin | 
              | Hyaline Cartilage | 
              | Hyaline Membrane Disease | 
              | Hyalinosis, Segmental Glomerular use Glomerulosclerosis, Focal Segmental | 
              | Hyaluronan Receptors use Antigens, CD44 | 
              | Hyaluronan-Binding Protein use Antigens, CD44 | 
              | Hyaluronic Acid | 
              | Hyaluronidase use Hyaluronoglucosaminidase | 
              | Hyaluronoglucosaminidase | 
              | Hybanthus use Violaceae | 
              | Hybrid Cells | 
              | Hybrid Vigor | 
              | Hybridization in Situ use In Situ Hybridization | 
              | Hybridization in Situ, Fluorescence use In Situ Hybridization, Fluorescence | 
              | Hybridization, Genetic | 
              | Hybridoma Growth Factor use Interleukin-6 | 
              | Hybridomas | 
              | Hycanthone | 
              | Hydantoins | 
              | Hydatid Cyst use Echinococcosis | 
              | Hydatid Cyst, Hepatic use Echinococcosis, Hepatic | 
              | Hydatid Cyst, Pulmonary use Echinococcosis, Pulmonary | 
              | Hydatidiform Mole | 
              | Hydatidiform Mole, Invasive | 
              | Hydatidosis use Echinococcosis | 
              | Hydatidosis, Hepatic use Echinococcosis, Hepatic | 
              | Hydatidosis, Pulmonary use Echinococcosis, Pulmonary | 
              | Hydra | 
              | Hydralazine | 
              | Hydrallazin use Hydralazine | 
              | Hydramnios use Polyhydramnios | 
              | Hydranencephaly | 
              | Hydrangea | 
              | Hydrangea arborescens | 
              | Hydrangeaceae | 
              | Hydrangin use Umbelliferones | 
              | Hydrants | 
              | Hydrargyri Sulphidum Rubrum use Cinnabaris | 
              | Hydrargyrum stibiato-sulphuratum use Aethiops antimonialis | 
              | Hydrarthrosis | 
              | Hydrases use Hydro-Lyases | 
              | Hydrastinum Muriaticum | 
              | Hydrastinum Sulphuricum | 
              | Hydrastis | 
              | Hydrastis canadensis | 
              | Hydrated Alumina use Aluminum Hydroxide | 
              | Hydrating Agents use Wetting Agents | 
              | Hydraulic Flocculators | 
              | Hydraulic Flows use Water Flow | 
              | Hydraulic Jump | 
              | Hydraulic Measurements | 
              | Hydraulic Models | 
              | Hydraulic Power | 
              | Hydraulic Ram | 
              | Hydraulic Resources use Water Resources | 
              | Hydraulic Seal Latrines use Latrines (Environmental Health) | 
              | Hydraulic Structures | 
              | Hydraulics | 
              | Hydrazines | 
              | Hydrazones | 
              | Hydric Consumption use Water Consumption (Environmental Health) | 
              | Hydric Erosion | 
              | Hydrilla use Hydrocharitaceae | 
              | Hydro-Lyases | 
              | Hydroa Vacciniforme | 
              | Hydroalcoholic Solution | 
              | Hydrobiology use Aquatic Biology | 
              | Hydrobromic Acid | 
              | Hydrobromicum Acidum | 
              | Hydrocarbon Transportation | 
              | Hydrocarbons | 
              | Hydrocarbons, Acyclic | 
              | Hydrocarbons, Alicyclic | 
              | Hydrocarbons, Aromatic | 
              | Hydrocarbons, Brominated | 
              | Hydrocarbons, Chlorinated | 
              | Hydrocarbons, Cyclic | 
              | Hydrocarbons, Fluorinated | 
              | Hydrocarbons, Halogenated | 
              | Hydrocarbons, Iodinated | 
              | Hydrocarbons, Polycyclic use Polycyclic Compounds | 
              | Hydrocephalus | 
              | Hydrocephalus, Normal Pressure | 
              | Hydrochaeris use Rodentia | 
              | Hydrocharitaceae | 
              | Hydrochloric Acid | 
              | Hydrochloric Acid, Gastric use Gastric Acid | 
              | Hydrochlorothiazide | 
              | Hydrocodeinonebitartrate use Hydrocodone | 
              | Hydrocodone | 
              | Hydrocolpos | 
              | Hydrocon use Hydrocodone | 
              | Hydrocortisone | 
              | Hydrocotyle use Centella | 
              | Hydrocotyle asiatica use Centella | 
              | Hydrocotyle asiatica (Homeopathy) | 
              | Hydrocyanic Acid use Hydrogen Cyanide | 
              | Hydrocyanicum Acidum | 
              | Hydrodynamic Models | 
              | Hydrodynamics | 
              | Hydroelectric Energy | 
              | Hydroelectric Power Plant use Hydroelectric Power Plants (Environmental Health) | 
              | Hydroelectric Power Plants use Power Plants | 
              | Hydroelectric Power Plants (Environmental Health) | 
              | Hydroelectric Resources use Hydroelectric Energy | 
              | Hydroflumethiazide | 
              | Hydrofluoric Acid | 
              | Hydrogel | 
              | Hydrogels | 
              | Hydrogen | 
              | Hydrogen Bombs use Nuclear Weapons | 
              | Hydrogen Bonding | 
              | Hydrogen Carbonates use Bicarbonates | 
              | Hydrogen Chloride use Hydrochloric Acid | 
              | Hydrogen Cyanide | 
              | Hydrogen Fluoride use Hydrofluoric Acid | 
              | Hydrogen Ions use Protons | 
              | Hydrogen Peroxide | 
              | Hydrogen Sulfide | 
              | Hydrogen, Potassium ATPase use H(+)-K(+)-Exchanging ATPase | 
              | Hydrogen, Potassium, Adenosinetriphosphatase use H(+)-K(+)-Exchanging ATPase | 
              | Hydrogen-Ion Concentration | 
              | Hydrogenase | 
              | Hydrogenation | 
              | Hydrogenophaga use Comamonadaceae | 
              | Hydrogenophilaceae | 
              | Hydrogensulfite Reductase | 
              | Hydrogeological MAP | 
              | Hydrogeology | 
              | Hydrogram use Hydrograms | 
              | Hydrograms | 
              | Hydrograph | 
              | Hydrographic Basins | 
              | Hydrography | 
              | Hydrolases | 
              | Hydrolases, N-Glycosyl use N-Glycosyl Hydrolases | 
              | Hydrologic Disaster | 
              | Hydrologic Region | 
              | Hydrological Cycle | 
              | Hydrological Data use Hydrological Statistics | 
              | Hydrological Forecast | 
              | Hydrological Measurement use Hydrological Statistics | 
              | Hydrological Models | 
              | Hydrological Resources use Water Resources | 
              | Hydrological Stations | 
              | Hydrological Statistics | 
              | Hydrological Warning | 
              | Hydrology | 
              | Hydrolysis | 
              | Hydrolyzable Tannins | 
              | Hydrolyzed Vegetal Protein | 
              | Hydromechanics use Hydraulics | 
              | Hydrometeorology | 
              | Hydrometric Station | 
              | Hydromorphon use Hydromorphone | 
              | Hydromorphone | 
              | Hydronephrosis | 
              | Hydrophid Venoms | 
              | Hydrophidae | 
              | Hydrophiinae use Hydrophidae | 
              | Hydrophis cyanocinctus | 
              | Hydrophobia use Rabies | 
              | Hydrophobic Surfaces use Hydrophobicity | 
              | Hydrophobicity | 
              | Hydrophobinum use Lyssinum | 
              | Hydrophthalmos | 
              | Hydrophyllaceae | 
              | Hydrophyllum virginicum | 
              | Hydropiper use Polygonum hydropiperoides | 
              | Hydropneumatic Systems use Pressure Systems | 
              | Hydropneumothorax | 
              | Hydroponics | 
              | Hydrops use Edema | 
              | Hydrops Fetalis | 
              | Hydroquinones | 
              | Hydrosme rivieri use Amorphophallus rivieri | 
              | Hydrostatic Pressure | 
              | Hydrostatics | 
              | Hydrosyringomyelia use Syringomyelia | 
              | Hydrotherapy | 
              | Hydrothorax | 
              | Hydroxamic Acids | 
              | Hydroxides | 
              | Hydroxocobalamin | 
              | Hydroxy Acids | 
              | Hydroxyacetanilide use Acetaminophen | 
              | Hydroxyacetylaminofluorene | 
              | Hydroxyampicillin use Amoxicillin | 
              | Hydroxyandrostanes use Androstanols | 
              | Hydroxyandrostenes use Androstenols | 
              | Hydroxyanilines use Aminophenols | 
              | Hydroxyapatite use Durapatite | 
              | Hydroxyapatites | 
              | Hydroxybenzoic Acids | 
              | Hydroxybrazilin use Hematoxylin | 
              | Hydroxybutyrate Dehydrogenase | 
              | Hydroxybutyrates | 
              | Hydroxycarbamid use Hydroxyurea | 
              | Hydroxychlorobenzenes use Chlorophenols | 
              | Hydroxychlorochin use Hydroxychloroquine | 
              | Hydroxychloroquine | 
              | Hydroxycholecalciferols | 
              | Hydroxycholestanes use Cholestanols | 
              | Hydroxycholesterols | 
              | Hydroxycinnamic Acids use Coumaric Acids | 
              | Hydroxycobalamin use Hydroxocobalamin | 
              | Hydroxycorticosteroids | 
              | Hydroxydiazepam use Temazepam | 
              | Hydroxydopamines | 
              | Hydroxyeicosatetraenoic Acids | 
              | Hydroxyestrones | 
              | Hydroxyethyl Starch use Hetastarch | 
              | Hydroxyethylrutoside | 
              | Hydroxyethylsulfonic Acid use Isethionic Acid | 
              | Hydroxyfluorenylacetamide use Hydroxyacetylaminofluorene | 
              | Hydroxyimino Compounds use Oximes | 
              | Hydroxyindole O-Methyltransferase use Acetylserotonin O-Methyltransferase | 
              | Hydroxyindoleacetic Acid | 
              | Hydroxyl Radical | 
              | Hydroxylamine | 
              | Hydroxylamines | 
              | Hydroxylapatite use Durapatite | 
              | Hydroxylases use Mixed Function Oxygenases | 
              | Hydroxylation | 
              | Hydroxylysine | 
              | Hydroxymercuribenzoates | 
              | Hydroxymethacrylate Gel use Polyhydroxyethyl Methacrylate | 
              | Hydroxymetholone use Oxymetholone | 
              | Hydroxymethoxyphenethyl Alcohol use 3-Methoxy-4-hydroxyphenylethanol | 
              | Hydroxymethoxyphenylglycol use Methoxyhydroxyphenylglycol | 
              | Hydroxymethyl and Formyl Transferases | 
              | Hydroxymethylbilane Synthase | 
              | Hydroxymethylglutaryl CoA Reductases | 
              | Hydroxymethylglutaryl-CoA Reductase Inhibitors | 
              | Hydroxymethylglutaryl-CoA Reductases, NAD-Dependent | 
              | Hydroxymethylglutaryl-CoA Synthase | 
              | Hydroxymethylglutaryl-CoA-Reductase (NADP) use Hydroxymethylglutaryl-CoA-Reductases, NADP-dependent | 
              | Hydroxymethylglutaryl-CoA-Reductases, NADP-dependent | 
              | Hydroxymycin use Paromomycin | 
              | Hydroxynaphthalenes use Naphthols | 
              | Hydroxyphenylazouracil | 
              | Hydroxyphenylbutazone use Oxyphenbutazone | 
              | Hydroxyphenylisopropylamine use p-Hydroxyamphetamine | 
              | Hydroxyprogesterones | 
              | Hydroxyproline | 
              | Hydroxypropiophenone | 
              | Hydroxyprostaglandin Dehydrogenases | 
              | Hydroxypyruvate Reductase | 
              | Hydroxyquinolines | 
              | Hydroxysteroid Dehydrogenases | 
              | Hydroxysteroids | 
              | Hydroxytestosterones | 
              | Hydroxytetracycline use Oxytetracycline | 
              | Hydroxythiamine use Oxythiamine | 
              | Hydroxytryptophol | 
              | Hydroxytyramine use Dopamine | 
              | Hydroxyurea | 
              | Hydroxyvitamins D use Hydroxycholecalciferols | 
              | Hydroxyzine | 
              | Hydrozoa | 
              | Hyenas use Hyaenidae | 
              | Hygiene | 
              | Hygroma use Lymphangioma, Cystic | 
              | Hygroma, Cystic use Lymphangioma, Cystic | 
              | Hygroma, Subdural use Subdural Effusion | 
              | Hygromycin B | 
              | Hygroscopicity use Wettability | 
              | Hylobates | 
              | Hylobatidae | 
              | Hymecromone | 
              | Hymen | 
              | Hymenaea | 
              | Hymenolepiasis | 
              | Hymenolepis | 
              | Hymenolepis diminuta | 
              | Hymenolepis nana | 
              | Hymenoptera | 
              | Hymenostomatida | 
              | Hyoid Bone | 
              | Hyoscinbutylbromide use Butylscopolammonium Bromide | 
              | Hyoscine use Scopolamine | 
              | Hyoscyamine use Atropine | 
              | Hyoscyaminum Bromatum | 
              | Hyoscyamus | 
              | Hyoscyamus niger | 
              | Hyper-IgM Immunodeficiency Syndrome | 
              | Hyper-IgM Immunodeficiency Syndrome, Type 1 | 
              | Hyper-IgM Immunodeficiency Syndrome, Type 2 use Hyper-IgM Immunodeficiency Syndrome | 
              | Hyper-IgM Immunodeficiency Syndrome, Type 3 use Hyper-IgM Immunodeficiency Syndrome | 
              | Hyper-IgM Immunodeficiency Syndrome, Type 5 use Hyper-IgM Immunodeficiency Syndrome | 
              | Hyperactivity, Motor use Hyperkinesis | 
              | Hyperacusis | 
              | Hyperadrenocorticism use Adrenocortical Hyperfunction | 
              | Hyperaldosteronism | 
              | Hyperalgesia | 
              | Hyperalgesia, Tactile use Hyperalgesia | 
              | Hyperalgesia, Thermal use Hyperalgesia | 
              | Hyperalimentation, Parenteral use Parenteral Nutrition, Total | 
              | Hyperammonemia | 
              | Hyperamylasemia | 
              | Hyperandrogenism | 
              | Hyperargininemia | 
              | Hyperbaric Oxygenation | 
              | Hyperbetalipoproteinemia use Hyperlipoproteinemia Type II | 
              | Hyperbilirubinemia | 
              | Hyperbilirubinemia, Hereditary | 
              | Hyperbilirubinemia, Neonatal | 
              | Hyperbilirubinemic Encephalopathy use Kernicterus | 
              | Hypercalcemia | 
              | Hypercalciuria | 
              | Hypercapnia | 
              | Hypercementosis | 
              | Hypercholesteremia use Hypercholesterolemia | 
              | Hypercholesterolemia | 
              | Hypercholesterolemia, Essential use Hyperlipoproteinemia Type II | 
              | Hypercholesterolemia, Familial use Hyperlipoproteinemia Type II | 
              | Hyperchylomicronemia, Familial use Hyperlipoproteinemia Type I | 
              | Hypercoagulability use Thrombophilia | 
              | Hypercorticism use Adrenocortical Hyperfunction | 
              | Hyperemesis Gravidarum | 
              | Hyperemia | 
              | Hypereosinophilic Syndrome | 
              | Hyperesthesia | 
              | Hyperesthesia, Tactile use Hyperesthesia | 
              | Hyperesthesia, Thermal use Hyperesthesia | 
              | Hypergammaglobulinemia | 
              | Hyperglycemia | 
              | Hyperglycemic Hyperosmolar Nonketotic Coma | 
              | Hyperglycemic Mice use Mice, Obese | 
              | Hyperglycinemia, Nonketotic | 
              | Hypergravity | 
              | Hyperhidrosis | 
              | Hyperhidrosis, Gustatory use Sweating, Gustatory | 
              | Hyperhomocysteinemia | 
              | Hypericaceae use Clusiaceae | 
              | Hypericum | 
              | Hypericum perforatum use Hypericum | 
              | Hypericum perforatum (Homeopathy) | 
              | Hyperimmunoglobulin E-Recurrent Infection Syndrome use Job's Syndrome | 
              | Hyperimmunoglobulinemia use Hypergammaglobulinemia | 
              | Hyperimmunoglobulinemia D use Mevalonate Kinase Deficiency | 
              | Hyperinsulinism | 
              | Hyperinsulinism, Familial, with Pancreatic Nesidioblastosis use Nesidioblastosis | 
              | Hyperkalemia | 
              | Hyperkalemic Periodic Paralysis use Paralysis, Hyperkalemic Periodic | 
              | Hyperkeratosis Palmaris et Plantaris use Keratoderma, Palmoplantar | 
              | Hyperkeratosis, Epidermolytic | 
              | Hyperkinesis | 
              | Hyperkinetic Heart Syndrome use Neurocirculatory Asthenia | 
              | Hyperkinetic Syndrome use Attention Deficit Disorder with Hyperactivity | 
              | Hyperlipemia use Hyperlipidemias | 
              | Hyperlipidemia, Familial Combined | 
              | Hyperlipidemia, Multiple Lipoprotein-Type use Hyperlipidemia, Familial Combined | 
              | Hyperlipidemias | 
              | Hyperlipoproteinemia Type I | 
              | Hyperlipoproteinemia Type II | 
              | Hyperlipoproteinemia Type III | 
              | Hyperlipoproteinemia Type IV | 
              | Hyperlipoproteinemia Type V | 
              | Hyperlipoproteinemias | 
              | Hyperlysinemias | 
              | Hypermedia | 
              | Hypermenorrhea use Menorrhagia | 
              | Hypermetropia use Hyperopia | 
              | Hypermobility, Joint use Joint Instability | 
              | Hypermutation, Somatic, Immunoglobulin use Somatic Hypermutation, Immunoglobulin | 
              | Hypermyotonia use Muscle Hypertonia | 
              | Hypernatremia | 
              | Hypernephroma use Carcinoma, Renal Cell | 
              | Hyperopia | 
              | Hyperostosis | 
              | Hyperostosis Corticalis Generalisata use Osteochondrodysplasias | 
              | Hyperostosis Frontalis Interna | 
              | Hyperostosis, Cortical, Congenital | 
              | Hyperostosis, Diffuse Idiopathic Skeletal | 
              | Hyperostosis, Sternocostoclavicular | 
              | Hyperotreti | 
              | Hyperoxaluria | 
              | Hyperoxaluria, Primary | 
              | Hyperoxia | 
              | Hyperparathyroidism | 
              | Hyperparathyroidism, Primary | 
              | Hyperparathyroidism, Secondary | 
              | Hyperphagia | 
              | Hyperphenylalaninemia, Non-Phenylketonuric use Phenylketonurias | 
              | Hyperphosphatemia | 
              | Hyperpigmentation | 
              | Hyperpipecolic Acidemia use Peroxisomal Disorders | 
              | Hyperpituitarism | 
              | Hyperplasia | 
              | Hyperplasia, Focal Epithelial use Focal Epithelial Hyperplasia | 
              | Hyperplasia, Focal Nodular use Focal Nodular Hyperplasia | 
              | Hyperplasia, Giant Lymph Node use Giant Lymph Node Hyperplasia | 
              | Hyperplasia, Reactive Lymphoid use Pseudolymphoma | 
              | Hyperpotassemia use Hyperkalemia | 
              | Hyperprebetalipoproteinemia use Hyperlipoproteinemia Type IV | 
              | Hyperprolactinemia | 
              | Hyperpyrexia, Malignant use Malignant Hyperthermia | 
              | Hyperreflexia use Reflex, Abnormal | 
              | Hyperreflexia, Autonomic use Autonomic Dysreflexia | 
              | Hypersalivation use Sialorrhea | 
              | Hypersensitivity | 
              | Hypersensitivity Angiitis use Vasculitis, Hypersensitivity | 
              | Hypersensitivity Pneumonitis use Alveolitis, Extrinsic Allergic | 
              | Hypersensitivity Pneumonitis, Avian use Bird Fancier's Lung | 
              | Hypersensitivity Vasculitis use Vasculitis, Hypersensitivity | 
              | Hypersensitivity, Atopic use Hypersensitivity, Immediate | 
              | Hypersensitivity, Contact use Dermatitis, Contact | 
              | Hypersensitivity, Delayed | 
              | Hypersensitivity, Drug use Drug Hypersensitivity | 
              | Hypersensitivity, Egg use Egg Hypersensitivity | 
              | Hypersensitivity, Environmental use Environmental Illness | 
              | Hypersensitivity, Food use Food Hypersensitivity | 
              | Hypersensitivity, Immediate | 
              | Hypersensitivity, Latex use Latex Hypersensitivity | 
              | Hypersensitivity, Milk use Milk Hypersensitivity | 
              | Hypersensitivity, Nut use Nut Hypersensitivity | 
              | Hypersensitivity, Peanut use Peanut Hypersensitivity | 
              | Hypersensitivity, Respiratory use Respiratory Hypersensitivity | 
              | Hypersensitivity, Tuberculin-Type use Hypersensitivity, Delayed | 
              | Hypersensitivity, Type I use Hypersensitivity, Immediate | 
              | Hypersensitivity, Type III use Immune Complex Diseases | 
              | Hypersensitivity, Type IV use Hypersensitivity, Delayed | 
              | Hypersensitivity, Wheat use Wheat Hypersensitivity | 
              | Hypersomnia use Disorders of Excessive Somnolence | 
              | Hypersomnia with Periodic Respiration use Sleep Apnea Syndromes | 
              | Hypersomnia, Periodic use Kleine-Levin Syndrome | 
              | Hypersomnolence use Disorders of Excessive Somnolence | 
              | Hypersomnolence, CNS, Idiopathic use Hypersomnolence, Idiopathic | 
              | Hypersomnolence, Idiopathic | 
              | Hypersplenism | 
              | Hypertelorism | 
              | Hypertensinogen use Angiotensinogen | 
              | Hypertension | 
              | Hypertension, Goldblatt use Hypertension, Renovascular | 
              | Hypertension, Malignant | 
              | Hypertension, Ocular use Ocular Hypertension | 
              | Hypertension, Portal | 
              | Hypertension, Pregnancy-Induced | 
              | Hypertension, Pulmonary | 
              | Hypertension, Pulmonary, of Newborn, Persistent use Persistent Fetal Circulation Syndrome | 
              | Hypertension, Renal | 
              | Hypertension, Renovascular | 
              | Hypertensive Encephalopathy | 
              | Hypertensive Hemorrhage, Intracranial use Intracranial Hemorrhage, Hypertensive | 
              | Hypertext use Hypermedia | 
              | Hyperthermia use Fever | 
              | Hyperthermia, Induced | 
              | Hyperthermia, Local use Hyperthermia, Induced | 
              | Hyperthermia, Malignant use Malignant Hyperthermia | 
              | Hyperthermia, Therapeutic use Hyperthermia, Induced | 
              | Hyperthermus use Pyrodictiaceae | 
              | Hyperthyroidism | 
              | Hyperthyroxinemia | 
              | Hyperthyroxinemia, Familial Dysalbuminemic | 
              | Hypertonic Glucose Solution use Glucose Solution, Hypertonic | 
              | Hypertonic Saline Solution use Saline Solution, Hypertonic | 
              | Hypertonic Solution, Glucose use Glucose Solution, Hypertonic | 
              | Hypertonic Solution, Saline use Saline Solution, Hypertonic | 
              | Hypertonic Solutions | 
              | Hypertrichosis | 
              | Hypertriglyceridemia | 
              | Hypertriglyceridemia, Familial use Hyperlipoproteinemia Type IV | 
              | Hypertrophic Cardiomyopathy use Cardiomyopathy, Hypertrophic | 
              | Hypertrophy | 
              | Hypertrophy, Left Ventricular | 
              | Hypertrophy, Right Ventricular | 
              | Hypertropia use Strabismus | 
              | Hyperuricemia | 
              | Hypervariable Regions use Complementarity Determining Regions | 
              | Hyperventilation | 
              | Hypervitaminosis A | 
              | Hypesthesia | 
              | Hypesthesia, Tactile use Hypesthesia | 
              | Hypesthesia, Thermal use Hypesthesia | 
              | Hyphae | 
              | Hyphema | 
              | Hyphochytrium use Rhinosporidium | 
              | Hyphomicrobiaceae | 
              | Hyphomicrobium | 
              | Hyphomicrobium methylovorum use Hyphomicrobium | 
              | Hyphomycetes use Mitosporic Fungi | 
              | Hypnogenic Paroxysmal Dystonia use Nocturnal Paroxysmal Dystonia | 
              | Hypnosis | 
              | Hypnosis, Anesthetic | 
              | Hypnosis, Animal use Immobility Response, Tonic | 
              | Hypnosis, Dental | 
              | Hypnotics and Sedatives | 
              | Hypoactive Sexual Desire Disorder use Sexual Dysfunctions, Psychological | 
              | Hypoacusis use Hearing Loss | 
              | Hypoalbuminemia | 
              | Hypoaldosteronism | 
              | Hypoaldosteronism, Hyporeninemic use Hypoaldosteronism | 
              | Hypoalphalipoproteinemia, Familial use Hypoalphalipoproteinemias | 
              | Hypoalphalipoproteinemias | 
              | Hypobetalipoproteinemia, Familial, Apolipoprotein B | 
              | Hypobetalipoproteinemias | 
              | Hypocalcemia | 
              | Hypocapnia | 
              | Hypocatalasemia use Acatalasia | 
              | Hypochlorhydria use Achlorhydria | 
              | Hypochlorite use Hypochlorous Acid | 
              | Hypochlorous Acid | 
              | Hypocholesteremic Agents use Anticholesteremic Agents | 
              | Hypochondriasis | 
              | Hypocotyl | 
              | Hypocrea | 
              | Hypocrea virens use Hypocrea | 
              | Hypocreales | 
              | Hypocupremia, Congenital use Menkes Kinky Hair Syndrome | 
              | Hypodermis use Subcutaneous Tissue | 
              | Hypodermoclysis | 
              | Hypodermyiasis | 
              | Hypodontia use Anodontia | 
              | Hypodynamia use Hypokinesia | 
              | Hypoestes use Acanthaceae | 
              | Hypoesthesia use Hypesthesia | 
              | Hypogalactia use Lactation Disorders | 
              | Hypogammaglobulinemia use Agammaglobulinemia | 
              | Hypogastric Plexus | 
              | Hypogeusia use Ageusia | 
              | Hypoglossal Nerve | 
              | Hypoglossal Nerve Diseases | 
              | Hypoglycemia | 
              | Hypoglycemic Agents | 
              | Hypoglycins | 
              | Hypogonadism | 
              | Hypogravity | 
              | Hypohidrosis | 
              | Hypokalemia | 
              | Hypokalemic Periodic Paralysis | 
              | Hypokinesia | 
              | Hypokinesia, Experimental use Immobilization | 
              | Hypolipoproteinemias | 
              | Hypomenorrhea use Menstruation Disturbances | 
              | Hypomineralization, Tooth use Tooth Demineralization | 
              | Hyponatremia | 
              | Hypoparathyroidism | 
              | Hypopharyngeal Cancer use Hypopharyngeal Neoplasms | 
              | Hypopharyngeal Neoplasms | 
              | Hypopharynx | 
              | Hypophosphatasia | 
              | Hypophosphatemia | 
              | Hypophosphatemia, Familial | 
              | Hypophosphatemic Rickets, X-Linked Dominant | 
              | Hypophosphorous Acids use Phosphinic Acids | 
              | Hypophyllum sanguineum | 
              | Hypophyseal Disorders use Pituitary Diseases | 
              | Hypophysectomy | 
              | Hypophysectomy, Chemical | 
              | Hypophysial Dwarf use Dwarfism, Pituitary | 
              | Hypophysial Stalk use Pituitary Gland | 
              | Hypophysis use Pituitary Gland | 
              | Hypophysis posterior use Pituitarium posterium | 
              | Hypopigmentation | 
              | Hypopituitarism | 
              | Hypoplastic Anemia, Congenital use Anemia, Hypoplastic, Congenital | 
              | Hypoplastic Left Heart Syndrome | 
              | Hypopotassemia use Hypokalemia | 
              | Hypoproconvertinemia use Factor VII Deficiency | 
              | Hypoproteinemia | 
              | Hypoprothrombinemias | 
              | Hyporeflexia use Reflex, Abnormal | 
              | Hyposalivation use Xerostomia | 
              | Hyposensitization Therapy use Desensitization, Immunologic | 
              | Hyposomatotrophic Dwarfism use Dwarfism, Pituitary | 
              | Hypospadias | 
              | Hypotension | 
              | Hypotension, Controlled | 
              | Hypotension, Orthostatic | 
              | Hypotension, Postural use Hypotension, Orthostatic | 
              | Hypothalamic Area, Anterior use Anterior Hypothalamic Nucleus | 
              | Hypothalamic Area, Lateral | 
              | Hypothalamic Diseases | 
              | Hypothalamic Hormones | 
              | Hypothalamic Neoplasms | 
              | Hypothalamic Nucleus, Dorsomedial use Dorsomedial Hypothalamic Nucleus | 
              | Hypothalamic Nucleus, Ventromedial use Ventromedial Hypothalamic Nucleus | 
              | Hypothalamic Paraventricular Nucleus use Paraventricular Hypothalamic Nucleus | 
              | Hypothalamic Region, Posterior use Hypothalamus, Posterior | 
              | Hypothalamic Release-Inhibiting Hormone Receptors use Receptors, Pituitary Hormone-Regulating Hormone | 
              | Hypothalamic Releasing Hormone Receptors use Receptors, Pituitary Hormone-Regulating Hormone | 
              | Hypothalamic Tumors use Hypothalamic Neoplasms | 
              | Hypothalamic-Chiasmatic Neoplasms use Hypothalamic Neoplasms | 
              | Hypothalamic-Neurohypophyseal Disorders use Hypothalamic Diseases | 
              | Hypothalamic-Pituitary Neoplasms use Hypothalamic Neoplasms | 
              | Hypothalamo-Hypophyseal System | 
              | Hypothalamus | 
              | Hypothalamus (Homeopathy) | 
              | Hypothalamus, Anterior | 
              | Hypothalamus, Infundibular use Pituitary Gland, Posterior | 
              | Hypothalamus, Medial use Hypothalamus, Middle | 
              | Hypothalamus, Middle | 
              | Hypothalamus, Posterior | 
              | Hypothalamus, Supraoptic use Hypothalamus, Anterior | 
              | Hypothermia | 
              | Hypothermia, Induced | 
              | Hypothesis-Testing | 
              | Hypothyroidism | 
              | Hypotonia use Muscle Hypotonia | 
              | Hypotonic Solutions | 
              | Hypotrichida | 
              | Hypotrichosis | 
              | Hypoventilation | 
              | Hypoventilation, Central Alveolar use Sleep Apnea, Central | 
              | Hypovolemia | 
              | Hypovolemic Shock use Shock | 
              | Hypoxanthine | 
              | Hypoxanthine Oxidase use Xanthine Oxidase | 
              | Hypoxanthine Phosphoribosyltransferase | 
              | Hypoxanthine-Guanine Phosphoribosyltransferase use Hypoxanthine Phosphoribosyltransferase | 
              | Hypoxanthine-Phosphoribosyl-Transferase Deficiency Disease use Lesch-Nyhan Syndrome | 
              | Hypoxanthines | 
              | Hypoxia use Anoxia | 
              | Hypoxia, Brain | 
              | Hypoxia, Cellular use Cell Hypoxia | 
              | Hypoxia-Inducible Factor 1 | 
              | Hypoxia-Inducible Factor 1, alpha Subunit | 
              | Hypoxia-Inducible Factor 1, beta Subunit use Aryl Hydrocarbon Receptor Nuclear Translocator | 
              | Hypoxia-Ischemia, Brain | 
              | Hypoxia-Ischemia, Cerebral use Hypoxia-Ischemia, Brain | 
              | Hypoxic Encephalopathy use Hypoxia, Brain | 
              | Hypoxic-Ischemic Encephalopathy use Hypoxia-Ischemia, Brain | 
              | Hypoxis | 
              | Hypsarrhythmia use Spasms, Infantile | 
              | Hyptis | 
              | Hyraxes | 
              | Hyssop, Giant use Agastache | 
              | Hyssopus use Lamiaceae | 
              | Hysterectomy | 
              | Hysterectomy, Vaginal | 
              | Hysteria | 
              | Hysteria, Conversion use Conversion Disorder | 
              | Hysteria, Dissociative use Dissociative Disorders | 
              | Hysterical Personality use Histrionic Personality Disorder | 
              | Hysterosalpingography | 
              | Hysteroscopes | 
              | Hysteroscopic Surgical Procedures use Hysteroscopy | 
              | Hysteroscopy | 
              | Hysterotomy | 
              | Hystrix use Porcupines | 
              | HZE Particles use Cosmic Radiation |