5Geerts W H,Pineo G F,Heit J A,et al.Prevention of Venous Thromboembolism:the Seventh ACCP Comference on Antithrombotic and Thrombolytic Therapy[J].Chest,2004,126(3 Suppl):338-400.
6White J V.Preliminary Results of the A-V Impulse System Applied Vascular Patients[J].Footnotes,1995,14(2):12.
7Delis K T,Hunt N,Strachan R K,et al.Incidence,Natural History and Risk Factors of Deep Vein Thrombosis in Elective Knee Arthroscopy[J].Thromb Haemost,2001,86(3):817-821.