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. SO - The Anatolian Journal of Cardiology 2015;15:271-276. DO - 10.5152/akd.2014.5337