2Clarke MT, Green JS, Harper Wm. Screening for deep - venous thrombosis after hip and knee replacement without prophylaxis. Bone Joint Surg, 1997,79 ( 15 ) :787.
3Schafer AI. Hyper Coagulable state: Molecular genes to clinical practice [J]. Lancet, 1994,344(8939-8940) : 1739-1742.
4Plate G, Eklof B, Norgren L, et al. Venous thrombectomy for iliofemoral vein thrombosis-10-year results of a prospectice randomized study[J]. Eur J Vasc Endovasc Surg, 1997,14(5):367-374.