title: Reversible dementia caused by vitamin B12 deficiency.
authors.forename: D
authors.initials: D
authors.lastname: O'Neill
authors.forename: R D
authors.initials: RD
authors.lastname: Barber
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D003704:Dementia / Q000209:etiology*; D006801:Humans; D008297:Male; D014806:Vitamin B 12 Deficiency / Q000150:complications*