TY - JOUR TI - Carvedilol and nebivolol improve left ventricular systolic functions in patients with non-ischemic heart failure AU - Karabacak, M. AU - Doğan, A. AU - Tayyar, Ş. AU - Özaydın, M. AU - Erdoğan, D. JO - The Anatolian Journal of Cardiology PY - 2015 VL - 15 SP - 271 EP - 276 DO - 10.5152/akd.2014.5337 ER -