Disorders of the Nervous System Caused by Drugs, Toxins, and Chemical Agents, Diptheria
Adams & Victors Principles of Neurology Chp 43, pg 1217, Ropper, A.H.,et al, 2014
Cranial Nerve Palsies in Spontaneous Carotid Artery Dissection
JNNP 56:1191-1199, Sturzenegger,M.&Huber,P., 1993