Osteoporosis: cause and management.
D000375:Aging / Q000502:physiology; D005260:Female; D050723:Fractures, Bone / Q000209:etiology; D006801:Humans; D007103:Immobilization; D008297:Male; D008593:Menopause / Q000502:physiology; D008875:Middle Aged; D010024:Osteoporosis / Q000209:etiology* / Q000517:prevention & control / Q000628:therapy