Nonphenylketonuric hyperphenylalaninemia
M. J. Lang, R. Koch, K. Fishler and R. Baker
Department of Education, University of Southern California, Los Angeles.
Sixteen subjects with nonphenylketonuric hyperphenylalaninemia were
followed up during a period of years. Dietary treatment did not seem to
influence the outcome, and no relationship between blood phenylalanine and
intellectual outcome was demonstrable.