a randomized study in 50 patients compared efficacy of low doses of a standard heparin , calciparin ( 5,000 iu/8 h ) with that of a low molecular weight heparin , fragmine ( kabi 2165 ) ( 5,000 anti-xa u/24 h ) , in the prophylaxis of postoperative thrombosis after oncologic surgery .
C0019134
heparin
C0019139
anti-xa