A 48-Year-Old Man With Spasticity and Progressive Ataxia
Neurol 101:e1747-e1752, Vizcarra,J.A.,et al, 2023
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