Australian multicentre trial of streptokinase in acute myocardial infarction - Bett, J. H. N; Biggs, J. C; Castaldi, P. A; Chesterman, C. N; Hale, G. S; McLean, K. H; Morgan, J. J; O’Sullivan, E. F; Rosenbaum, M (Lancet, 1973)