title: Letter: Increased Risk of Hospitalization for Heart Failure with Newly Prescribed Dipeptidyl Peptidase-4 Inhibitors and Pioglitazone Using the Korean Health Insurance Claims Database (Diabetes Metab J 2015;39:247-52).
authors: Department of Internal Medicine, Wonkwang University School of Medicine & Hospital, Iksan, Korea.
authors: Dae Ho
authors: DH
authors: Lee