Subacute combined degeneration of the spinal cord in a vegan.
D014676:Diet, Vegetarian; D005260:Female; D006801:Humans; D008875:Middle Aged; D009410:Nerve Degeneration; D009461:Neurologic Manifestations; D013118:Spinal Cord Diseases / Q000188:drug therapy; D014805:Vitamin B 12 / Q000627:therapeutic use
D014805:Vitamin B 12