title: Effect of nonnutritive sucking on nutrient retention in preterm infants.
mesh_terms: D002149:Energy Intake; D004734:Energy Metabolism; D004750:Enteral Nutrition; D006801:Humans; D007225:Infant Food; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D007234:Infant, Premature / Q000378:metabolism / Q000502:physiology* / Q000523:psychology; D008895:Milk, Human / Q000378:metabolism; D009584:Nitrogen / Q000378:metabolism; D013391:Sucking Behavior
chemical_list: D009584:Nitrogen