TI - Presence of fragmented QRS and its correlation with myocardial performance index in patients with nephrotic syndrome AU - Özkan, G. AU - Adar, A. AU - Ulusoy, Ş. AU - Bektaş, H. AU - Kırış, A. AU - Fidan, M. AU - Çelik, Ş. SO - The Anatolian Journal of Cardiology 2014;14:450-455. DO - 10.5152/akd.2014.4886