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
Neurologic Manifestations of Cogan Syndrome
Neurol 28:278, Bicknell,J.M.,et al, 1978
Neurological Manifestations of Sarcoidosis
Neurol 15:1147, Wiederholt,W.,et al, 1965