Inherited Metabolic Diseases of the Nervous System, The Phenylketonuria
Adams & Victors Principles of Neurology, Chp 37, pg 968, Ropper, A.H.,et al, 2014
Amelioration Of Neurologic Abnormalities After"Enzyme Replacement"In Adenosine Deaminase Deficiency
NEJM 303:377-380, Hirschhorn,R.,et al, 1980