Infections of the Nervous System, (Bacterial, Fungal, Spirochetal, Parasitic) and Sarcoidosis, Septic Cavernous Sinus Thrombophlibitis
Adams & Victors Principles of Neurology, Chp 32, pg 713, Ropper, A.H.,et al, 2014
The Management of Acute Visual Failure
JNNP 56:234-240, Wray,S.H., 1993