Levels of thrombin-antithrombin-III complex and factor VIII activity in relation to post-operative deep vein thrombosis and influence of prophylaxis with a low molecular-weight-heparin - Sprensen, J V; Borris, L C; Lassen, M R; Christiansen, H M; Schptt, P; Olsen, A D (Blood Coagul Fibrinol, 1990)