Convergence-Evoked NystagmusNeurol 40:161-162, Oliva,A.&Rosenberg,M.L., 1990
Upward Transtentorial HerniationArch Neurol 36:618-623, Cuneo,R.A.,et al, 1979
Bilateral Sixth Nerve PalsyArch Neurol 33:681, Keane,J.R., 1976