1. Sibinga, M. B., Friedman, C. J., Steisel, I. M., and Baker, F. C.: The depressing effect of diet on physical growth in phenylketonuria, Develop. Med. Child Neurol. In press.
2. Growth and bone characteristics of phenylketonurics;Fisch;Am. J. Dis. Child.,1966
3. Malnutrition with early treatment of phenylketonuria;Hanley;Pediatr. Res.,1970
4. Dietary effects on mental growth in treated phenylketonuria;Fuller;Am. J. Ment. Defic.,1971
5. Mental retardation: A review of research;Stevens,1964