Preventive medicine: osteoporosis.
Allen
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TW
D000368:Aged; D002136:Calcium, Dietary / Q000008:administration & dosage; D004967:Estrogens / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008875:Middle Aged; D010024:Osteoporosis / Q000517:prevention & control*; D005082:Physical Exertion
D002136:Calcium, Dietary; D004967:Estrogens