Cogan's Syndrome:18 Cases & a Review of the Literature
Mayo Clin Proc 61:344-361, Vollertsen,R.S.,et al, 1986
Cogan Syndrome An Analysis of Reported Neurological Manifestations
The Neurologist 18:55-63, Antonios,N. and Silliman,S., 2012
Cogan Syndrome
www.medlink.com, Feb, Ramachandran, T.S., 2010