three groups of dogs were investigated : one group received normal saline pretreatment followed by heparinisation with standard heparin 150 iu/kg followed by protamine sulfate reversal 1.5 mg/kg after aortic interposition grafting : the second group were given normal saline pretreatment followed by heparinisation with low molecular weight heparin 150 u antixa/kg and after grafting protamine sulfate reversal 1.5 mg/kg .
C0019134
heparin
C0019139
antixa