Disorders of the Nervous System Caused by Drugs, Toxins, and Chemical Agents, Tetanus
Adams & Victors Principles of Neurology, Chp 43, pg 1215, Ropper, A.H.,et al, 2014
Adverse Drug Effects on Neuromuscular Transmission
Semin Neurol 10:89-102, Howard,J.F., 1990