17,187 patients entering 417 hospitals up to 24 hours ( median 5 hours ) after the onset of suspected acute myocardial infarction were randomised , with placebo control , between : ( i ) a 1-hour intravenous infusion of 1.5 mu of streptokinase ;
C0027051
myocardial infarction
C0038418
streptokinase