the first study comparing 1 x 7'500 anti-factor xa iu lmw heparin daily with 2 x 5'000 iu uf heparin was interrupted because of excessive bleeding complications ( lmw heparin : 11/23 pts , uf heparin : 2/20 pts , p less than 0.01 ) .
C0019139
lmw heparin
C0019134
uf heparin