Screening for phenylketonuria.
D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008403:Mass Screening; D008404:Massachusetts; D008722:Methods; D010649:Phenylalanine / Q000097:blood; D010661:Phenylketonurias / Q000175:diagnosis*
D010649:Phenylalanine