Calcium and phosphorus studies in Negro premature infants.
D002118:Calcium; D002136:Calcium, Dietary; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D010758:Phosphorus; D012279:Rickets
D002136:Calcium, Dietary; D010758:Phosphorus; D002118:Calcium
INFANT, PREMATURE; RICKETS