Kuschel, C A Calcium and phosphorus supplementation of human milk for preterm infants. [electronic resource] - The Cochrane database of systematic reviews 2001 - CD003310 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 1469-493X Standard No.: 10.1002/14651858.CD003310 doi Subjects--Topical Terms: Calcium--administration & dosageDietary SupplementsHumansInfant, NewbornMilk, HumanPhosphorus--administration & dosage