Excess male false-positives among infants with phenylketonuria.
D000367:Age Factors; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008404:Massachusetts; D010661:Phenylketonurias / Q000175:diagnosis* / Q000453:epidemiology; D012737:Sex Factors