Additional file 2: of Lactic acidosis associated with metformin in patients with moderate to severe chronic kidney disease: study protocol for a multicenter population-based case-control study using health databases Consuelo Pedrós Mónica Ávila Ainhoa Gómez-Lumbreras Marcela Manríquez Rosa Morros 10.6084/m9.figshare.8207408.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_2_of_Lactic_acidosis_associated_with_metformin_in_patients_with_moderate_to_severe_chronic_kidney_disease_study_protocol_for_a_multicenter_population-based_case-control_study_using_health_databases/8207408 Table S2. Anatomical Therapeutic Chemical Classification (ATC) codes of the drugs of interest. (DOCX 19 kb) 2019-05-30 05:00:00 Metformin Type 2 diabetes mellitus Chronic kidney failure Lactic acidosis Case-control studies Electronic health records