Endocrine aspects of aging.
D000368:Aged; D000375:Aging; D000728:Androgens / Q000502:physiology; D004702:Endocrine Glands / Q000502:physiology*; D004967:Estrogens / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D008593:Menopause; D011956:Receptors, Cell Surface / Q000502:physiology; D014667:Vasopressins / Q000502:physiology
D000728:Androgens; D004967:Estrogens; D011956:Receptors, Cell Surface; D014667:Vasopressins