Pernicious Anaemia
BMJ 369:m1319, Mohamed, M.,et al, 2020
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
Practice Parameter: Evaluation of Distal Symmetric Polyneuropathy: Role of Laboratory and Genetic Testing (An Evidence-Based Review)
Nuerol 72:185-192, England,J.D.,et al, 2009
Vitamin B12-Responsive Severe Leukoencephalopathy and Autonomic Dysfunction in a Patient With "Normal" Serum B12 Levels
JNNP 81:1369-1371, Graber,J.J.,et al, 2010