Diseases of the Nervous System Caused by Nutritional Deficiency, Vitamin B12 (Cobalamin) Deficiency (Subacute Combined Degeneration)
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Folate, Vitamin B12, and Risk of Ischemic and Hemorrhagic Stroke
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Neurologic Aspects of Cobalamin Deficiency
Medicine 70:229-245, Healton,E.B.,et al, 1991
Aetiology of Optic Neuritis
BMJ 2:265, , 1975