title: Letter: Follow-up screening for phenylketonuria.
mesh_terms: D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008403:Mass Screening; D008722:Methods; D009922:Oregon; D010661:Phenylketonurias / Q000175:diagnosis*