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
Neurological Disease In Ex-Far-East Prisoners Of War
Lancet 2:135-137, Gibberd,F.B.,et al, 1980