Effect of baseline or changes in adrenergic activity on clinical outcomes in the β-Blocker Evaluation of Survival Trial

M. R. Bristow, H. Krause-Steinrauf, R. Nuzzo, Cheng Seng Liang, J. Lindenfeld, B. D. Lowes, B. Hattler, W. T. Abraham, L. Olson, S. Krueger, S. Thaneemit-Chen, J. M. Hare, H. S. Loeb, M. J. Domanski, E. J. Eichhorn, R. Zelis, P. Lavori