Creutzfeldt-Jakob Disease and Other Transmissible Spongiform EncephalopathiesEd, F. O. Bastian, Mosby Year Book, St. Louis 9:153, Maertens,P.&Quindlen,E.A., 1991
Bilateral Loss of Vision from Cerebral InfarctionBrain 80:28, Symonds,C.,et al, 1957