[Preventing osteoporosis. A lot of calcium often helps little].
D000368:Aged; D000369:Aged, 80 and over; D002118:Calcium / Q000008:administration & dosage* / Q000009:adverse effects*; D002318:Cardiovascular Diseases / Q000209:etiology* / Q000401:mortality; D002423:Cause of Death; D015331:Cohort Studies; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D015663:Osteoporosis, Postmenopausal / Q000401:mortality / Q000517:prevention & control*; D058866:Osteoporotic Fractures / Q000401:mortality / Q000517:prevention & control*
D002118:Calcium