A Case of Acute Encephalopathy and Rigidity in a 30-Year-Old Man
Neurol 93:759-763, Hurtubise, B. & MacLellan, A., 2019
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