REDUCTION IN INFARCT SIZE, MORBIDITY AND SHORT-TERM MORTALITY BY EARLY INTRAVENOUS BETABLOCKADE - Yusuf, S; Ramsdale, D; Rossi, P; Peto, R; Pearson, M; Sterry, H; Furse, L; Motwani, R; Parish, S; Gray, R; Bennett, D; Bray, C; et al. (1983)