REDUCTION IN INFARCT SIZE, ARRHYTHMIAS AND CHEST PAIN BY EARLY INTRAVENOUS BETA-BLOCKADE IN SUSPECTED ACUTE MYOCARDIAL-INFARCTION - Yusuf, S; Sleight, P; Rossi, P; Ramsdale, D; Peto, R; Furze, L; Sterry, H; Pearson, M; Motwani, R; Parish, S; Gray, R; Bennett, D; et al. (CIRCULATION, 1983)