2Kakkar VV, Balibrea JL, Martinez-Gonzalez J, et al. Extend- ed prophylaxis with bemiparin for the prevention of venous thromboembolism after abdominal or pelvic surgery for cancer : the CANBESURE randomized study [J]. J Thromb Haemost,2010,8(6) :1223-1229.
3Lippi G, Viliani T, Alessandrello-Liotta A, et al. Defibrotide versus heparin for antithrombotic prophylaxis in gynaecolog- ical surgery [J]. Minerva medica, 1989,80 ( 5 ) :455-459.
4Dindelli M, Guamerio P, Salari PC , et al. Defibrotide in the prevention of deep venous thrombosis in gynecologic surger- y. A controlled study versus calcium heparin in 120 patients [J]. Minerva Ginecol, 1990,42 (3) :79-85.
5Fontanelli A, Falcini F, Lippi G, et al. Defibrotide vs. calci- um heparin in the prevention of deep vein thrombosis in gy- necologic oncologic surgery [J]. Minerva Ginecol, 1992,44 (5) :251-255.
7Fricker JP, Vergnes Y, Schach R, et al. Low dose heparin versus low molecular weight heparin (Kabi 2165, Fragmin- registered trade mark) in the prophylaxis of thromboembol- ic complications of abdominal oncological surgery [J]. Eur J Clin Invest, 1988,18 (6) :561-567.