U-Plasminogen Activator use Urinary Plasminogen Activator
U1 Small Nuclear Ribonucleoproteins use Ribonucleoprotein, U1 Small Nuclear
U1 snRNP use Ribonucleoprotein, U1 Small Nuclear
U2 Small Nuclear Ribonucleoproteins use Ribonucleoprotein, U2 Small Nuclear
U2 snRNP use Ribonucleoprotein, U2 Small Nuclear
U4 Small Nuclear Ribonucleoproteins use Ribonucleoprotein, U4-U6 Small Nuclear
U4 snRNP use Ribonucleoprotein, U4-U6 Small Nuclear
U4-U6 Small Nuclear Ribonucleoproteins use Ribonucleoprotein, U4-U6 Small Nuclear
U4-U6 snRNP use Ribonucleoprotein, U4-U6 Small Nuclear
U5 Small Nuclear Ribonucleoproteins use Ribonucleoprotein, U5 Small Nuclear
U5 snRNP use Ribonucleoprotein, U5 Small Nuclear
U6 Small Nuclear Ribonucleoproteins use Ribonucleoprotein, U4-U6 Small Nuclear
U6 snRNP use Ribonucleoprotein, U4-U6 Small Nuclear
U7 Small Nuclear Ribonucleoproteins use Ribonucleoprotein, U7 Small Nuclear
U7 snRNP use Ribonucleoprotein, U7 Small Nuclear
UDP Acetylgalactosamine use Uridine Diphosphate N-Acetylgalactosamine
UDP Acetylglucosamine use Uridine Diphosphate N-Acetylglucosamine
UDP Acetylmuramic Acid use Uridine Diphosphate N-Acetylmuramic Acid
UDP Galactose use Uridine Diphosphate Galactose
UDP Galactose Acetylglucosamine Galactosyltransferase use N-Acetyllactosamine Synthase
UDP Galactose Epimerase use UDPglucose 4-Epimerase
UDP Galactose Pyrophosphorylase use UTP-Hexose-1-Phosphate Uridylyltransferase
UDP Glucose use Uridine Diphosphate Glucose
UDP Glucose Dehydrogenase use Uridine Diphosphate Glucose Dehydrogenase
UDP Glucose Epimerase use UDPglucose 4-Epimerase
UDP Glucose Pyrophosphorylase use UTP-Glucose-1-Phosphate Uridylyltransferase
UDP Glucuronic Acid use Uridine Diphosphate Glucuronic Acid
UDP Glucuronosyltransferase use Glucuronosyltransferase
UDP Sugars use Uridine Diphosphate Sugars
UDP Xylose use Uridine Diphosphate Xylose
UDPG use Uridine Diphosphate Glucose
UDPG Dehydrogenase use Uridine Diphosphate Glucose Dehydrogenase
UDPGA use Uridine Diphosphate Glucuronic Acid
UDPGNAc use Uridine Diphosphate N-Acetylglucosamine
UDPGal use Uridine Diphosphate Galactose
UDPgalactose 4-Epimerase use UDPglucose 4-Epimerase
UDPglucose 4-Epimerase Deficiency Disease use Galactosemias
UDPglucose-Hexose-1-Phosphate Uridylyltransferase
UDPglucose-Hexose-1-Phosphate Uridylyltransferase Deficiency use Galactosemias
UMLS use Unified Medical Language System
UN use United Nations
UNDP use United Nations Development Programme
UNESCO use United Nations Educational, Scientific and Cultural Organization
UNICEF use United Nations
US AID use United States Agency for International Development
US Agency for International Development use United States Agency for International Development
USAID use United States Agency for International Development
USDA use United States Department of Agriculture
USFDA use United States Food and Drug Administration
USFTC use United States Federal Trade Commission
USPHS use United States Public Health Service
UTP-Glucose-1-Phosphate Uridylyltransferase
UTP-Hexose-1-Phosphate Uridylyltransferase
Ubiquinol-Cytochrome-c Reductase use Electron Transport Complex III
Ubiquitin-Like Proteins use Ubiquitins
Ubiquitin-Protein Ligase use Ubiquitin-Protein Ligases
Ubiquitin-Protein Ligase Complexes
Udder use Mammary Glands, Animal
Ulcer, Aphthous use Stomatitis, Aphthous
Ulcer, Rodent use Carcinoma, Basal Cell
Ulnar Nerve Compression Syndromes
Ulnar Nerve Diseases use Ulnar Neuropathies
Ultradeformable Liposomes use Liposomes
Ultradian Cycles use Activity Cycles
Ultrahigh Frequency Waves use Microwaves
Ultrasonic Diagnosis use Ultrasonography
Ultrasonic Endoscopy use Endosonography
Ultrasonic Imaging use Ultrasonography
Ultrasonic Lithotripsy use Lithotripsy
Ultrasonography, Color Doppler use Ultrasonography, Doppler, Color
Ultrasonography, Doppler, Color
Ultrasonography, Doppler, Duplex
Ultrasonography, Doppler, Pulsed
Ultrasonography, Doppler, Transcranial
Ultrasonography, Duplex Doppler use Ultrasonography, Doppler, Duplex
Ultrasonography, Endoscopic use Endosonography
Ultrasonography, Fetal use Ultrasonography, Prenatal
Ultrasonography, Interventional
Ultrasonography, Intravascular use Ultrasonography, Interventional
Ultrasonography, Pulsed Doppler use Ultrasonography, Doppler, Pulsed
Ultrasonography, Transcranial Doppler use Ultrasonography, Doppler, Transcranial
Ultrasound, High-Intensity Focused, Transrectal
Ultrasound, Interventional use Ultrasonography, Interventional
Ultraviolet Microscopy use Microscopy, Ultraviolet
Ultraviolet Spectrophotometry use Spectrophotometry, Ultraviolet
Umbelliferae use Apiaceae
Umbilical Cord Blood use Fetal Blood
Umbilical Cord Blood Stem Cell Transplantation use Cord Blood Stem Cell Transplantation
Umbilical Cyst use Urachal Cyst
Umbilical Hernia use Hernia, Umbilical
Umbrella Filters use Vena Cava Filters
Unaccompanied Child use Unaccompanied Minor
Unassigned Codon use Codon, Nonsense
Uncaria procumbens use Harpagophytum
Uncaria tomentosa use Cat's Claw
Uncinaria stenocephala use Ancylostomatoidea
Unconscious State use Unconsciousness
Under-Developed Countries use Developing Countries
Underground Storage use Underground Tanks
Underground Streams use Groundwater Flow
Underpopulation use Population Density
Understanding use Comprehension
Undertaking use Mortuary Practice
Undulant Fever use Brucellosis
Unified Health System use Single Health System
Unified Medical Language System
Unilateral Hearing Loss use Hearing Loss, Unilateral
Union of South Africa use South Africa
Union of Soviet Socialist Republics use USSR
Uniparental Heterodisomy use Uniparental Disomy
Uniparental Isodisomy use Uniparental Disomy
Unipolar Depression use Depressive Disorder
Uniport use Ion Transport
Unit Dose Drug Distribution Systems use Medication Systems
Unit Process use Unit Operations
United Arab Republic use Egypt
United Kingdom use Great Britain
United Nations Development Programme
United Nations Educational, Scientific and Cultural Organization
United Nations International Children's Emergency Fund use United Nations
United States Agency for Health Care Policy and Research use United States Agency for Healthcare Research and Quality
United States Agency for Healthcare Research and Quality
United States Agency for International Development
United States Alcohol, Drug Abuse, and Mental Health Administration use United States Substance Abuse and Mental Health Services Administration
United States Centers for Disease Control and Prevention use Centers for Disease Control and Prevention (U.S.)
United States Centers for Medicare and Medicaid Services use Centers for Medicare and Medicaid Services (U.S.)
United States Department of Agriculture
United States Department of Health and Human Services use United States Dept. of Health and Human Services
United States Department of Health, Education, and Welfare use United States Dept. of Health and Human Services
United States Department of Homeland Security
United States Department of Veterans Affairs
United States Dept. of Health and Human Services
United States Employee Retirement Income Security Act use Employee Retirement Income Security Act
United States Environmental Protection Agency
United States Federal Trade Commission
United States Food and Drug Administration
United States Gov't Supported, N.I.H. use Research Support, U.S. Gov't, P.H.S.
United States Gov't Supported, Non-P.H.S. use Research Support, U.S. Gov't, Non-P.H.S.
United States Gov't Supported, P.H.S. use Research Support, U.S. Gov't, P.H.S.
United States Government Agencies
United States Health Care Financing Administration use Centers for Medicare and Medicaid Services (U.S.)
United States Health Insurance Portability and Accountability Act use Health Insurance Portability and Accountability Act
United States Health Resources Administration use United States Health Resources and Services Administration
United States Health Resources and Services Administration
United States Indian Health Service
United States National Academy of Sciences use National Academy of Sciences (U.S.)
United States National Aeronautics and Space Administration
United States National Center for Health Statistics use National Center for Health Statistics (U.S.)
United States National Health Insurance use National Health Insurance, United States
United States National Health Planning Information Center use National Health Planning Information Center (U.S.)
United States National Institutes of Health use National Institutes of Health (U.S.)
United States National Library of Medicine use National Library of Medicine (U.S.)
United States Occupational Safety and Health Administration
United States Office of Economic Opportunity
United States Office of National Drug Control Policy
United States Office of Research Integrity
United States Office of Technology Assessment
United States Office of the Assistant Secretary for Health Office of Research Integrity use United States Office of Research Integrity
United States Patient Self-Determination Act use Patient Self-Determination Act
United States Public Health Service
United States Social Security Administration
United States Substance Abuse and Mental Health Services Administration
United States Supreme Court use Supreme Court Decisions
United States Tax Equity and Fiscal Responsibility Act use Tax Equity and Fiscal Responsibility Act
United States Veterans Administration use United States Department of Veterans Affairs
United States Visible Human Project use Visible Human Projects
Units of Hemotherapy use Hemotherapy Service
Universal Access To Health Care Services
University Health Services use Student Health Services
University Medical Centers use Academic Medical Centers
Unknown Primary Tumors use Neoplasms, Unknown Primary
Unna-Thost Syndrome use Keratoderma, Palmoplantar, Diffuse
Unnecessary Surgery use Unnecessary Procedures
Unsaturated Dietary Fats use Dietary Fats, Unsaturated
Unsaturated Fats use Fats, Unsaturated
Unsaturated Oils use Fats, Unsaturated
Unstable DNA Sequence use DNA Sequence, Unstable
Unux Process Activated Sludges use Pure Oxygen Activated Sludges
Unventilated Spaces use Confined Spaces
Uphill Transport use Biological Transport, Active
Upper Aerodigestive Tract Neoplasms use Head and Neck Neoplasms
Upper Airway Resistance Sleep Apnea Syndrome use Sleep Apnea, Obstructive
Upper Esophageal Sphincter use Esophageal Sphincter, Upper
Upper Extremity Deformities, Congenital
Upper Limb Deformities, Congenital use Upper Extremity Deformities, Congenital
Upper Respiratory Infections use Respiratory Tract Infections
Upregulation use Up-Regulation
Uracil Arabinofuranoside use Arabinofuranosyluracil
Uracil Arabinoside use Arabinofuranosyluracil
Uracil Polynucleotides use Poly U
Uralenic Acid use Glycyrrhetinic Acid
Urbach-Wiethe Disease use Lipoid Proteinosis of Urbach and Wiethe
Urban Agglomeration use Agglomeration, Urban
Urban Development use Urban Renewal
Urban Horticulture use Urban Agriculture
Urban Hospitals use Hospitals, Urban
Urban Planning use City Planning
Urban Population Health use Urban Health
Urban Villages use Urban Settlements
Urban-Rural Migration use Rural-Urban Migration
Ureaplasma parvum use Ureaplasma
Urecholine use Bethanechol Compounds
Ureteral Cancer use Ureteral Neoplasms
Ureteroscopic Surgical Procedures use Ureteroscopy
Urethral Cancer use Urethral Neoplasms
Urethral Stenosis use Urethral Stricture
Urgencies use Emergencies
Urginea scilla use Squilla maritima
Uricase use Urate Oxidase
Uridine Diphosphate Glucose Dehydrogenase
Uridine Diphosphate Glucose Epimerase use UDPglucose 4-Epimerase
Uridine Diphosphate Glucuronic Acid
Uridine Diphosphate N-Acetylgalactosamine
Uridine Diphosphate N-Acetylglucosamine
Uridine Diphosphate N-Acetylmuramic Acid
Uridine Diphospho-N-Acetylglucosamine use Uridine Diphosphate N-Acetylglucosamine
Uridine Diphosphogalactose use Uridine Diphosphate Galactose
Uridine Diphosphoglucose use Uridine Diphosphate Glucose
Uridine Diphosphoglucuronic Acid use Uridine Diphosphate Glucuronic Acid
Uridine Phosphates use Uracil Nucleotides
Uridine Pyrophosphoacetylglucosamine use Uridine Diphosphate N-Acetylglucosamine
Uridine Pyrophosphogalactose use Uridine Diphosphate Galactose
Uridyl Transferase use UDPglucose-Hexose-1-Phosphate Uridylyltransferase
Uridylate 5'-Nucleotidase use 5'-Nucleotidase
Uridylic Acid use Uridine Monophosphate
Urinary Bladder Neck Obstruction
Urinary Bladder Prolapse use Cystocele
Urinary Bladder Stones use Urinary Bladder Calculi
Urinary Kallikrein use Tissue Kallikreins
Urinary Stones use Urinary Calculi
Urinary Tract Cancer use Urologic Neoplasms
Urinary Tract Diseases use Urologic Diseases
Urine Concentrating Ability use Kidney Concentrating Ability
Urocanase use Urocanate Hydratase
Urocortin use Urocortins
Urogastrone use Epidermal Growth Factor
Urogastrone Receptor use Receptor, Epidermal Growth Factor
Urogenital Cancer use Urogenital Neoplasms
Urogenital Surgical Procedures
Urokinase use Urinary Plasminogen Activator
Urokinase-Type Plasminogen Activator use Urinary Plasminogen Activator
Urologic Cancer use Urologic Neoplasms
Urologic Surgical Procedures, Male
Uropepsinogen use Pepsinogen A
Uroporphyrinogen Carboxy-Lyase use Uroporphyrinogen Decarboxylase
Uroporphyrinogen Decarboxylase
Uroporphyrinogen I Synthase use Hydroxymethylbilane Synthase
Uroporphyrinogen III Cosynthetase use Uroporphyrinogen III Synthetase
Uroporphyrinogen III Synthetase
Uroporphyrinogen Isomerase use Uroporphyrinogen III Synthetase
Uroporphyrinogen-III Synthase use Uroporphyrinogen III Synthetase
Urticaria, Giant use Angioedema
Use of Radiation in Medicine and Investigation
Use of Scientific Information for Health Decision Making
Used Tires use Tires
Usnea barbata use Usnea
Uterine Appendages use Adnexa Uteri
Uterine Cancer use Uterine Neoplasms
Uterine Endoscopy use Hysteroscopy
Uterine Stimulants use Oxytocics
Uteroplacental Circulation use Placental Circulation
Utility Failure use Interruption of Services Supply
Utilization Review, Drug use Drug Utilization Review
Utilization and Quality Control Peer Review Organizations use Professional Review Organizations
Utricle use Saccule and Utricle
Uukuniemi Group Viruses use Uukuniemi virus
Uveitis, Sympathetic use Ophthalmia, Sympathetic
Uveomeningoencephalitic Syndrome
Uveomeningoencephalitis use Uveomeningoencephalitic Syndrome
Uveoparotitis use Uveoparotid Fever
Uvomorulin use Cadherins