Drupal-Bibcite31<style face="normal" font="default" size="100%">Antidiabetic therapy and the risk of heart failure in type 2 diabetic patients: an independent effect or confounding by indication</style><style face="normal" font="default" size="100%">Antidiabetic therapy and the risk of heart failure in type 2 diabetic patients: an independent effect or confounding by indication</style>