title: Detection of phenylketonuric heterozygotes.
mesh_terms: D002852:Chromatography, Ion Exchange; D005260:Female; D006579:Heterozygote; D006801:Humans; D007202:Indicators and Reagents; D008722:Methods; D010649:Phenylalanine / Q000097:blood*; D010661:Phenylketonurias / Q000097:blood / Q000175:diagnosis / Q000235:genetics*; D011159:Population Surveillance; D011247:Pregnancy; D014443:Tyrosine / Q000097:blood*
chemical_list: D007202:Indicators and Reagents; D014443:Tyrosine; D010649:Phenylalanine