1. Barnes , J. M. 1968 cit. from A. N. Davison: Biochemistry and the myelin sheath The Scientific Basis of Medicine. Annual Reviews 232
2. Phenylketonuria presenting an intermittent progressive course;Bechar;J. Neurol. Neurosurg. Psychiat.,1965
3. Psychologic and neurologic status of diet-treated phenylketonuric children and their siblings;Berman;Pediatrics,1961
4. The association of phenylketonuria with leucodystrophy;Crome;J. Neurol. Neurosurg. Psychiat.,1962