Mehran risk score model for predicting contrast-induced nephropathy after cardiac resynchronization therapy in patients with heart failure oleh Mehmet Akif Erdol, Ahmet Ertem, Ali Can Özkan, Mustafa Özbay, Mehmet Erdoğan, Koray Demirtaş, Mustafa Karanfil, Ahmet Akdi, Çağrı Yayla, Adnan Burak Akçay, Serkan Topaloğlu