we conducted a prospective , randomized trial to compare the effectiveness of a regimen of antithrombin iii , given intravenously once daily , and low-dose heparin with a regimen of dextran 40 , given intravenously , in preventing venographically documented venous thrombosis after total hip arthroplasty .
C0011793
dextran 40
C0042487
venous thrombosis