Beta-blockers in older patients with heart failure and preserved ejection fraction: class, dosage, and outcomes.
Patel K, Fonarow GC, Ekundayo OJ, Aban IB, Kilgore ML, Love TE, Kitzman DW, Gheorghiade M, Allman RM, Ahmed A. Beta-blockers in older patients with heart failure and preserved ejection fraction: class, dosage, and outcomes. Int J Cardiol. 2014 May 15; 173(3):393-401.