title: Phenylalanine-hydroxylase activity in hyperphenylalaninaemia.
mesh_terms: D000293:Adolescent; D000328:Adult; D003937:Diagnosis, Differential; D004035:Diet Therapy; D005260:Female; D006402:Hematologic Diseases / Q000378:metabolism*; D006801:Humans; D007223:Infant; D008297:Male; D006899:Mixed Function Oxygenases / Q000032:analysis*; D010649:Phenylalanine / Q000378:metabolism*; D010661:Phenylketonurias / Q000175:diagnosis*
chemical_list: D010649:Phenylalanine; D006899:Mixed Function Oxygenases