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
Recurrent Laryngeal Nerve Paralysis in Patients Receiving Vincristine & Vinblastine
BMJ 1:1251, Whittaker,J.A., 1977