title: Tetrahydrobiopterin and mild phenylketonuria.
authors.forename: William B
authors.initials: WB
authors.lastname: Hanley
mesh_terms: D001708:Biopterins / Q000031:analogs & derivatives* / Q000191:economics / Q000627:therapeutic use*; D006801:Humans; D010641:Phenotype; D010651:Phenylalanine Hydroxylase / Q000172:deficiency; D010661:Phenylketonurias / Q000145:classification / Q000188:drug therapy*; D015983:Selection Bias
chemical_list: D001708:Biopterins; D010651:Phenylalanine Hydroxylase; C003402:sapropterin