5Saarien J,Domonyi K,et al.Post-thrombotic symptoms after an isolated calf deep venous thrombosis[J].J-Cardiovasc-Surg-(Torino),2002,43 (5):687-691.
6Vucic N,Cala K,Rancic I,et al.Therapy and prevention of deep venous thrombosis and pulmonary embolism in gynecology and obstetrics[In German][J].Acta-Med-Croatica,2003,57(2):123-130.
7Astermark J,Bjorgell O,Linden E,et al.Low recurrence rate after deep calf-vein thrombosis with six weeks of oral anticoagulation[J].Journal of Internal Medicine,1998,244:79-82.
8Forster AJ,Wells PS.The rationale and evidence for the treatment of lowerextremity deep venous thrombosis with thrombolytic agents[J].Curr-OpinHematol,2002,9 (5):437-442.
9Elna M,Masuda MD,Darcy M,et al.The natural history of calf vein thrombosis:Lysis of thrombi and development of reflux[J].Journal of uascular surgery,1998,7:67-72.
10Gampling EA,Devlin HB,Hoile RW,et al.Report of the national confidental enquiry into perioperative deaths 1991/92.London:1993.