Osteoporosis: pathogenesis and risk factors.
D000375:Aging / Q000378:metabolism; D001846:Bone Development; D001842:Bone and Bones / Q000378:metabolism; D005260:Female; D006801:Humans; D008297:Male; D010024:Osteoporosis / Q000208:ethnology / Q000209:etiology* / Q000235:genetics / Q000378:metabolism; D012307:Risk Factors; D012737:Sex Factors