Inherited Metabolic Diseases of the Nervous System, The Phenylketonuria
Adams & Victors Principles of Neurology, Chp 37, pg 968, Ropper, A.H.,et al, 2014
X Linked Adrenoleukodystrophy:Clinical Presentation, Diagnosis, and Therapy
JNNP 63:4-14, vanGeel,B.M.,et al, 1997