title: Re: "reduced risk of lung cancer with metformin therapy in diabetic patients: a systematic review and meta-analysis".
authors.affiliation: Section Clinical Epidemiology, Institute of Epidemiology and Social Medicine, Westfälische Wilhelms Universität Münster, Münster, Germany.
authors.forename: Hans-Werner
authors.initials: HW
authors.lastname: Hense
authors.affiliation: Section Clinical Epidemiology, Institute of Epidemiology and Social Medicine, Westfälische Wilhelms Universität Münster, Münster, Germany.
authors.forename: Anne Sophie
authors.initials: AS
authors.lastname: Geier
mesh_terms: D003924:Diabetes Mellitus, Type 2 / Q000188:drug therapy*; D006801:Humans; D007004:Hypoglycemic Agents / Q000627:therapeutic use*; D008175:Lung Neoplasms / Q000453:epidemiology*; D008687:Metformin / Q000627:therapeutic use*
chemical_list: D007004:Hypoglycemic Agents; D008687:Metformin