Addition of clopidogrel to aspirin and fibrinolytic therapy for myocardial infarction with ST-segment elevation - Sabatine, MS; Cannon, CP; Gibson, CM; for the Clopidogrel as Adjunctive Reperfusion Therapy– Thrombolysis In Myocardial Infarction 28 (CLARITY-TIMI 28) Trial Investigators (N Engl J Med, 2005)