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
Pellagra
In Brain's Diseases of the Nervous System, 8th Ed. 1977, p 849-851, Oxford University Press., , 1977