Dallas, I The relation between calcium intake and roentgenologic osteoporosis. [electronic resource] - The American journal of clinical nutrition 10 1962 - 263-9 p. digital Publication Type: Journal Article ISSN: 0002-9165 Standard No.: 10.1093/ajcn/11.4.263 doi Subjects--Topical Terms: CalciumCalcium, DietaryDietHumansOsteoporosis