title: The value of human tissue in studies of aging.
mesh_terms: D000375:Aging; D002493:Central Nervous System Diseases / Q000209:etiology; D000013:Congenital Abnormalities / Q000209:etiology; D004702:Endocrine Glands / Q000502:physiology; D030342:Genetic Diseases, Inborn / Q000209:etiology; D006801:Humans; D007154:Immune System Diseases / Q000209:etiology; D007239:Infections / Q000209:etiology; D009017:Morbidity; D009369:Neoplasms / Q000209:etiology; D013997:Time Factors; D014020:Tissue Extracts
chemical_list: D014020:Tissue Extracts