title: Newborn screening for phenylketonuria in eleven districts.
mesh_terms: D002681:China; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000517:prevention & control; D008403:Mass Screening; D010661:Phenylketonurias / Q000191:economics / Q000453:epidemiology*