after heparin injection , the anti-xa/anti-iia ratio was 1 but activities were weak ( 5,000 iu x 2 = 0.02 +/- 0.02 ) , a little higher with 5,000 iu x 3 ( 0.05 +/- 0.04 ) .
C0019134
heparin
C0019139
anti-xa