2Swayze OS,Nasser S,Roberson JR.Deep venous thrombosis in total hip arthroplasty.Orthop Clin North Am,1992,23:359-364.
3Stulberg BN,Insall JN,Williams GW,et al.Deep-vein thrombosis following total knee replacement:an analysis of 638 arthroplasties.J Bone Joint Surg (Am),1984,66:194-201.