title: Letter: Dietary phenylalanine requirements in infants with hyperphenylalaninaemia.
mesh_terms: D000592:Amino Acid Metabolism, Inborn Errors / Q000378:metabolism*; D006801:Humans; D007223:Infant; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements; D010649:Phenylalanine / Q000097:blood / Q000378:metabolism*; D010661:Phenylketonurias / Q000378:metabolism
chemical_list: D010649:Phenylalanine