Postmenopausal osteoporosis.
D000328:Adult; D000368:Aged; D002118:Calcium / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D010024:Osteoporosis / Q000209:etiology*; D005082:Physical Exertion
D002118:Calcium