Calcium supplements: does the milkman know best?
D000818:Animals; D002136:Calcium, Dietary / Q000008:administration & dosage*; D002417:Cattle; D005260:Female; D005527:Food, Fortified; D006801:Humans; D008892:Milk; D010024:Osteoporosis / Q000517:prevention & control
D002136:Calcium, Dietary