title: Failure to detect phenylketonuria.
authors.forename: P H
authors.initials: PH
authors.lastname: Verkerk
authors.forename: S B
authors.initials: SB
authors.lastname: van der Meer
mesh_terms: D004200:Diseases in Twins; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D015997:Neonatal Screening; D010661:Phenylketonurias / Q000175:diagnosis*