title: Defining tetrahydrobiopterin (BH4)-responsiveness in PKU.
authors.forename: Nenad
authors.initials: N
authors.lastname: Blau
mesh_terms: D001708:Biopterins / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000378:metabolism; D004334:Drug Administration Schedule; D006207:Half-Life; D006801:Humans; D010649:Phenylalanine / Q000097:blood*; D010661:Phenylketonurias / Q000175:diagnosis* / Q000378:metabolism; D013997:Time Factors
chemical_list: D001708:Biopterins; D010649:Phenylalanine; C003402:sapropterin