title: Phenylketonuria variants.
mesh_terms: D015067:17-Hydroxysteroid Dehydrogenases / Q000172:deficiency; D000429:Alcohol Oxidoreductases / Q000172:deficiency; D001708:Biopterins / Q000031:analogs & derivatives; D006801:Humans; D007231:Infant, Newborn; D010649:Phenylalanine; D010651:Phenylalanine Hydroxylase / Q000172:deficiency; D010661:Phenylketonurias / Q000145:classification* / Q000175:diagnosis
chemical_list: D001708:Biopterins; D010649:Phenylalanine; D015067:17-Hydroxysteroid Dehydrogenases; D000429:Alcohol Oxidoreductases; D010651:Phenylalanine Hydroxylase