Osteoporosis: controlled methods of measurement.
D015502:Absorptiometry, Photon; D000328:Adult; D000368:Aged; D001344:Autopsy; D001862:Bone Resorption; D005260:Female; D005270:Femur Head / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010024:Osteoporosis / Q000473:pathology; D013046:Specific Gravity; D013131:Spine / Q000473:pathology