title: [Abnormalities in amino acid metabolism (author's transl)].
mesh_terms: D000592:Amino Acid Metabolism, Inborn Errors / Q000097:blood*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010649:Phenylalanine / Q000097:blood; D014443:Tyrosine / Q000097:blood
chemical_list: D014443:Tyrosine; D010649:Phenylalanine