TI - The importance of fragmented QRS in the early detection of cardiac involvement in patients with systemic sclerosis AU - Bayar, N. AU - Fatih Çay, H. AU - Erkal, Z. AU - Sezer, Ä. AU - Arslan, Å. AU - Çağırcı, G. AU - Çay, S. AU - Öner Yüksel, Ä. AU - Köklü, E. SO - The Anatolian Journal of Cardiology 2015;15:209-212. DO - 10.5152/akd.2014.5191