Diseases of the Nervous System Caused by Nutritional Deficiency, Vitamin B12 (Cobalamin) Deficiency (Subacute Combined Degeneration)
Adams & Victors Principles of Neurology Chp 41, pg 1172, Ropper, A.H.,et al, 2014
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