On the absorption of calcium and phosphorus.
D017610:Calcium Compounds / Q000378:metabolism*; D002136:Calcium, Dietary; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D010758:Phosphorus; D017553:Phosphorus Compounds / Q000378:metabolism*; D016226:Phosphorus, Dietary
CALCIUM AND COMPOUNDS/metabolism--in children; PHOSPHORUS AND COMPOUNDS/metabolism--infants