Effect of β-adrenergic blockade on myocardial function and energetics in congestive heart failure: Improvements in hemodynamic, contractile, and diastolic performance with bucindolol

Eric J. Eichhorn, John B. Bedotto, Craig R. Malloy, Barbara A. Hatfield, David Deitchman, Marilyn Brown, John E. Willard, Paul A. Grayburn