title: Osteoporosis in the elderly--an overview.
mesh_terms: D000368:Aged; D000375:Aging; D004967:Estrogens / Q000172:deficiency; D005260:Female; D006801:Humans; D006996:Hypocalcemia / Q000150:complications; D008593:Menopause; D008875:Middle Aged; D010024:Osteoporosis / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D014808:Vitamin D Deficiency / Q000150:complications
chemical_list: D004967:Estrogens