Phenylalanine tolerance tests. In families with phenylketonuria and hyperphenylalaninemia.
D000367:Age Factors; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D008722:Methods; D010649:Phenylalanine / Q000097:blood*; D010661:Phenylketonurias / Q000175:diagnosis* / Q000235:genetics; D014443:Tyrosine / Q000097:blood
D014443:Tyrosine; D010649:Phenylalanine