aggregation was observed in the platelet-rich plasma of this patient in the presence of two commercial standard heparin preparations ( from a final concentration of 0.025 iu/ml upwards ) , of two semi-synthetic heparin analogues ( 0.1 aptt u/ml ) and of three low-molecular weight heparin ( lmwh ) fractions ( 0.1 anti-xa u/ml ) but not in the presence of five other lmwh fractions .
C0019134
heparin
C0019139
lmwh