title: Phenylalanine hydroxylase in human placenta: novel system for study of phenylketonuria.
mesh_terms: D005260:Female; D006801:Humans; D010651:Phenylalanine Hydroxylase / Q000032:analysis*; D010661:Phenylketonurias / Q000175:diagnosis* / Q000201:enzymology; D010920:Placenta / Q000201:enzymology*; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014443:Tyrosine / Q000032:analysis
chemical_list: D014443:Tyrosine; D010651:Phenylalanine Hydroxylase