X Chromosome, Human use Chromosomes, Human, X
X Inactivation use X Chromosome Inactivation
X-Chromosome Genes use Genes, X-Linked
X-Linked Adrenoleukodystrophy use Adrenoleukodystrophy
X-Linked Combined Immunodeficiency Diseases
X-Linked Genes use Genes, X-Linked
X-Linked Genetic Diseases use Genetic Diseases, X-Linked
X-Linked Hypohydridrotic Ectodermal Dysplasia use Ectodermal Dysplasia 1, Anhidrotic
X-Linked Inhibitor of Apoptosis Protein
X-Linked Lymphoproliferative Syndrome use Lymphoproliferative Disorders
X-Linked Mental Retardation use Mental Retardation, X-Linked
X-Linked Retinoschisis use Retinoschisis
X-Linked Severe Combined Immunodeficiency use X-Linked Combined Immunodeficiency Diseases
X-Linked Traits use Genes, X-Linked
X-Linked, Spastic Paraplegia, Hereditary use Spastic Paraplegia, Hereditary
X-Ray Absorptiometry use Absorptiometry, Photon
X-Ray Crystallography use Crystallography, X-Ray
X-Ray Departments use Radiology Department, Hospital
X-Ray Emission Spectrometry use Spectrometry, X-Ray Emission
X-Ray Emission Spectrometry, Electron Microscopic use Electron Probe Microanalysis
X-Ray Emission Spectrometry, Electron Probe use Electron Probe Microanalysis
X-Ray Emission Spectroscopy use Spectrometry, X-Ray Emission
X-Ray Film-Screen Systems use X-Ray Intensifying Screens
X-Ray Fluorescence Spectrometry use Spectrometry, X-Ray Emission
X-Ray Information Systems use Radiology Information Systems
X-Ray Microanalysis, Electron Microscopic use Electron Probe Microanalysis
X-Ray Microanalysis, Electron Probe use Electron Probe Microanalysis
X-Ray Tomography use Tomography, X-Ray
X-Ray Tomography, Computed use Tomography, X-Ray Computed
X-Ray, Diagnostic use Radiography
Xanthacridinum use Acriflavine
Xanthinol Nicotinate use Xanthinol Niacinate
Xanthobacter autotrophicus use Xanthobacter
Xanthobacter flavus use Xanthobacter
Xanthogranulomatous Pyelonephritis use Pyelonephritis, Xanthogranulomatous
Xanthoma Disseminatum use Histiocytosis, Non-Langerhans-Cell
Xanthoma, Juvenile use Xanthogranuloma, Juvenile
Xanthomatosis, Cerebrotendinous
Xanthomatosis, Familial use Wolman Disease
Xanthomatosis, Wolman's use Wolman Disease
Xanthomonas albilineans use Xanthomonas
Xanthomonas maltophilia use Stenotrophomonas maltophilia
Xantinol Nicotinate use Xanthinol Niacinate
Xenoantibodies use Antibodies, Heterophile
Xenoantigens use Antigens, Heterophile
Xenograft use Transplantation, Heterologous
Xenograft Antitumor Assays use Xenograft Model Antitumor Assays
Xenograft Bioprosthesis use Bioprosthesis
Xenograft Dressings use Biological Dressings
Xenograft Model Antitumor Assays
Xenon Chloride Excimer Lasers use Lasers, Excimer
Xenon Ion Lasers use Lasers, Gas
Xenopus laevis Proteins use Xenopus Proteins
Xenorhabdus luminescens use Photorhabdus
Xenorhabdus nematophila use Xenorhabdus
Xenotransplantation use Transplantation, Heterologous
Xeroderma use Ichthyosis
Xeroderma Pigmentosum Group A Protein
Xeroderma Pigmentosum Group D Protein
Xeroradiography, Breast use Xeromammography
Xiphophorus use Cyprinodontiformes
Xylamide use Proglumide