An improved test for phenylketonuria.
D006801:Humans; D010661:Phenylketonurias / Q000175:diagnosis*; D010667:Phenylpyruvic Acids / Q000737:chemistry*
D010667:Phenylpyruvic Acids; C031606:phenylpyruvic acid
PHENYLPYRUVIC ACID/chemistry; PHENYLPYRUVIC OLIGOPHRENIA/diagnosis