title: [Nitrogen input and output in the neonatal and postnatal stage of premature infants].
mesh_terms: D004044:Dietary Proteins; D006801:Humans; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D007234:Infant, Premature; D009584:Nitrogen / Q000378:metabolism*
chemical_list: D004044:Dietary Proteins; D009584:Nitrogen