title: Nitrogen balance studies during oral and complete intravenous feeding of small premature infants.
mesh_terms: D006801:Humans; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D007234:Infant, Premature; D009584:Nitrogen / Q000378:metabolism*; D010288:Parenteral Nutrition; D010289:Parenteral Nutrition, Total
chemical_list: D009584:Nitrogen