Treatment of acute myocardial infarction in patients with ST segment elevation at onset of symptoms: the task force on the management of acute myocardial infarction of the European Society of Cardiology - Van De Werf, F; Ardissino, D; Betriu, A; Cokkinos, D.V.; Falk, E; Fox, KAA; Julian, D; Lengyel, M; Neumann, FJ; Ruzyllo, W; others (Italian Heart Journal Supplement, 2003)