Infections of the Nervous System, (Bacterial, Fungal, Spirochetal, Parasitic) and Sarcoidosis, Leptospirosis
Adams & Victors Principles of Neurology, Chp 32, pg 730, Ropper, A.H.,et al, 2014
Cogan Syndrome An Analysis of Reported Neurological Manifestations
The Neurologist 18:55-63, Antonios,N. and Silliman,S., 2012