Calcium supplements.
D000328:Adult; D002118:Calcium / Q000009:adverse effects / Q000627:therapeutic use*; D002136:Calcium, Dietary / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009751:Nutritional Requirements; D010024:Osteoporosis / Q000517:prevention & control*
D002136:Calcium, Dietary; D002118:Calcium