Disorders of the Nervous System Caused by Drugs, Toxins, and Chemical Agents, Botulism
Adams & Victors Principles of Neurology Chp 43, pg 1218, Ropper, A.H.,et al, 2014
Acute Bulbar Dysfunction & Hyperthyroidism
Am J Med 56:464, Kammer,G.M.,et al, 1974