Diseases of the Nervous System Caused by Nutritional Deficiency, Pellagra (Niacin, Nicotinic Acid, B3 Deficiency)
Adams & Victors Principles of Neurology Chp 41, pg 1170, Ropper, A.H.,et al, 2014
Dopa Responsive Dystonia:A Treatable Condition Misdiagnosed as Cerebral Palsy
BMJ 298:1019-1020, Boyd,K.&Patterson,V., 1989