False negative screening tests in phenylketonuria.
D000367:Age Factors; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D007223:Infant; D007228:Infant Nutrition Disorders; D007231:Infant, Newborn; D008297:Male; D008403:Mass Screening; D010661:Phenylketonurias / Q000453:epidemiology*; D014839:Vomiting