we performed a randomized , double-blind trial comparing a shorter course of continuous intravenous heparin ( 5 days , with warfarin sodium begun on the first day ) with the conventional 10-day course of heparin ( with warfarin sodium begun on the fifth day ) in the initial treatment of 199 patients with acute proximal venous thrombosis documented by venography .
C0019134
heparin
C0042487
venous thrombosis