title: Diabetes: Metformin linked to vitamin B12 deficiency.
authors.forename: David
authors.initials: D
authors.lastname: Holmes
mesh_terms: D003924:Diabetes Mellitus, Type 2; D006801:Humans; D007004:Hypoglycemic Agents; D008687:Metformin; D014806:Vitamin B 12 Deficiency
chemical_list: D007004:Hypoglycemic Agents; D008687:Metformin