Electrocardiographic diagnosis of evolving acute myocardial infarction in the presence of left bundle-branch block. GUSTO-1 (Global Utilization of Streptokinase and Tissue Plasminogen Activator for Occluded Coronary Arteries) Investigators. - Sgarbossa,E.B.; Pinski,S.L.; Barbagelata,A. (N Engl J Med, 1996)