title: [Frequency of phenylketonuria heterozygotes].
mesh_terms: D006579:Heterozygote; D006720:Homozygote; D006801:Humans; D010661:Phenylketonurias / Q000453:epidemiology* / Q000235:genetics; D013557:Switzerland
vernacular_title: Häufigkeit der Phenylketonurie-Heterozygotie.