144 patients presenting within 4 h of onset of myocardial infarction were randomised to receive either 100 mg of single-strand recombinant tissue plasminogen activator ( rtpa ) in 3 h ( n = 73 ) or placebo infused at the same rate ( n = 71 ) .
C0027051
myocardial infarction
C0032143
recombinant tissue