Subacute combined degeneration.
D004247:DNA / Q000096:biosynthesis; D003711:Demyelinating Diseases / Q000378:metabolism*; D005492:Folic Acid / Q000378:metabolism; D006801:Humans; D010525:Peripheral Nerves / Q000378:metabolism; D013116:Spinal Cord / Q000378:metabolism; D014805:Vitamin B 12 / Q000378:metabolism; D014806:Vitamin B 12 Deficiency / Q000378:metabolism
D004247:DNA; D005492:Folic Acid; D014805:Vitamin B 12