"Salt and Pepper" in the Eye and Face: A Prelude to Brainstem IschemiaAm J Ophthalmol 144:322-325, Conforto, A.B.,et al, 2007
Cogan's Syndrome:18 Cases & a Review of the LiteratureMayo Clin Proc 61:344-361, Vollertsen,R.S.,et al, 1986