Clinical effects of anticoagulant therapy in suspected acute myocardial infarction: systematic overview of randomised trials.
Collins R, MacMahon S, Flather M, Baigent C, Remvig L, Mortensen S, Appleby P, Godwin J, Yusuf S, Peto R. BMJ. 1996 Sep 14; 313(7058):652-9.