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
Severe Tetanus in Immunized Patients with High Anti-Tetanus Titers
Neurol 42:761-764, Crone,N.E.&Reder,A.T., 1992