Hyperphenylalaninemia or phenylketonuria (PKU)? Problems of early distinction in 15 and 34 cases respectively.
D000367:Age Factors; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010649:Phenylalanine / Q000008:administration & dosage / Q000097:blood; D010661:Phenylketonurias / Q000175:diagnosis*
D010649:Phenylalanine