title: Discrimination of heterozygotes for phenylketonuria, persistent hyperphenylalaninemia and controls by phenylalanine loading.
mesh_terms: D005260:Female; D006580:Genetic Carrier Screening / Q000379:methods*; D006801:Humans; D008297:Male; D010649:Phenylalanine / Q000097:blood*; D010661:Phenylketonurias / Q000097:blood / Q000235:genetics*; D014443:Tyrosine / Q000097:blood
chemical_list: D014443:Tyrosine; D010649:Phenylalanine