title: Calcium and phosphorus economy of the preterm infant and its interaction with vitamin D and its metabolites.
mesh_terms: D002118:Calcium / Q000378:metabolism*; D004041:Dietary Fats / Q000378:metabolism; D006801:Humans; D007225:Infant Food / Q000032:analysis; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007234:Infant, Premature; D007408:Intestinal Absorption; D008895:Milk, Human / Q000378:metabolism; D009751:Nutritional Requirements; D010758:Phosphorus / Q000378:metabolism*; D014807:Vitamin D / Q000378:metabolism*
chemical_list: D004041:Dietary Fats; D014807:Vitamin D; D010758:Phosphorus; D002118:Calcium