TI - Effects of right ventricular dysfunction on exercise capacity and quality of life and associations with serum NT-proBNP levels in COPD: an observational study AU - Şahin Özdemirel, T. AU - Sarınç Ulaşlı, S. AU - Yetiş, B. AU - Karacağlar, E. AU - Bayraktar, N. AU - Ulubay, G. SO - The Anatolian Journal of Cardiology 2014;14:370-377. DO - 10.5152/akd.2014.4687