title: The long and short of metformin-related vitamin B12 deficiency.
authors.forename: George I
authors.initials: GI
authors.lastname: Varughese
authors.forename: Abd A
authors.initials: AA
authors.lastname: Tahrani
authors.forename: John H B
authors.initials: JH
authors.lastname: Scarpello
mesh_terms: D006801:Humans; D007004:Hypoglycemic Agents / Q000009:adverse effects*; D008687:Metformin / Q000009:adverse effects*; D013997:Time Factors; D014806:Vitamin B 12 Deficiency / Q000139:chemically induced*
chemical_list: D007004:Hypoglycemic Agents; D008687:Metformin