"Top of the Basilar"SyndromeNeurol 30:72-79, 1980, Caplan,L.R., 1980
Chronic Isolated Sixth Nerve PalsiesArch Neurol 46:79-82, Galetta,S.L.&Smith,J.L., 1989
Alternating ProptosisArch Neurol 34:642, Keane,J.R., 1977