Disorders of the Nervous System Caused by Drugs, Toxins, and Chemical Agents, Arsenic
Adams & Victors Principles of Neurology Chp 43, pg 1222, Ropper, A.H.,et al, 2014
Managing Acute Organophosphorus Pesticide Poisoning
BMJ 334:629-634, Roberts,D.M.&Aaron,C.K., 2007