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, Endocronology System, Vol. 4
The Ciba Collection of Medical Illustrations, p. 254-255981., Netter,F.H., 1981
Celiac Sprue & Refractory Sprue
Gastroenter. 75:3071978., Trier,J.S.,et al, 1978