Inherited Metabolic Diseases of the Nervous System, The Phenylketonuria
Adams & Victors Principles of Neurology, Chp 37, pg 968, Ropper, A.H.,et al, 2014
Diagnosis of Treatable Wilson's Disease
NEJM 298:1347, Cartwright,G.E., 1978
Pediatric Neurology
Psych Annals 2:1, , 1972