Influence of long term oral anticoagulants upon prethrombin fragment 1+2, thrombin-antithrombin-III complex and d-dimer levels in patients affected by proximal deep vein thrombosis - Elias, A; Bonfils, S; Daoudelias, M; Gauthier, B; Sié, P; Boccalon, H; Boneu, B (Thromb Haemost, 1993)