Orbital SyndromesSemin Neurol 27:269-287, Bhatti,M.T., 2007
The Carotid-Cavernous Fistula:Spontaneous & Traumatic, In Clinical Neuro-Ophthalmology3rd Ed, Williams & Wilkins, Baltimore, p. 1714, Walsh,F.B.&Hoyt,W.F., 1969