Comparison of high-dose with low-dose subcutaneous heparin to prevent left ventricular mural thrombosis in patients with acute transmural anterior myocardial infarction - Turpie, A GG; Robinson, J G; Doyle, D J; Mulji, A S; Mishkell, G J; Sealey, B J; Cairns, J A; Skingley, L; Hirsh, J; Gent, M (N Engl J Med, 1989)