Carvedilol improves left ventricular function and symptoms in chronic heart failure: a double-blind randomized study.
Olsen SL, Gilbert EM, Renlund DG, Taylor DO, Yanowitz FD, Bristow MR. Carvedilol improves left ventricular function and symptoms in chronic heart failure: a double-blind randomized study. J Am Coll Cardiol. 1995 May; 25(6):1225-31.