Cobalamine deficiency.
Berger
J R
JR
D006801:Humans; D007968:Leukoencephalopathy, Progressive Multifocal / Q000209:etiology* / Q000503:physiopathology; D008297:Male; D014805:Vitamin B 12 / Q000627:therapeutic use; D014806:Vitamin B 12 Deficiency / Q000150:complications* / Q000188:drug therapy
D014805:Vitamin B 12