[On the prophylaxis of rickets in premature infants].
D002118:Calcium / Q000628:therapy*; D002136:Calcium, Dietary; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases; D010758:Phosphorus / Q000628:therapy*; D016226:Phosphorus, Dietary; D012279:Rickets / Q000628:therapy*; D014807:Vitamin D / Q000628:therapy*
D002136:Calcium, Dietary; D016226:Phosphorus, Dietary; D014807:Vitamin D; D010758:Phosphorus; D002118:Calcium
CALCIUM/therapy; INFANT, PREMATURE/diseases; PHOSPHORUS/therapy; RICKETS/therapy; VITAMIN D/therapy