Asymmetric Cerebellar Ataxia and Limbic Encephalitis as a Presenting Feature of Primary Sjogrens Syndrome
J Neurol 254:1609-1611, Collison,K. and Rees,J., 2007
Primary Position Upbeating Nystagmus:A Variety of Central Positional Nystagmus
Brain 106:949-964, Fisher,A.,et al, 1983