sentences:  Because of the increasing interest in the properties of batroxobin, several studies on its hemostatic effect and coagulation have been published.More recently, in 1979, a German study showed the uses of batroxobin (reptilase clot retraction test) as a replacement test for the more commonly used thrombin time.Because the enzyme is unaffected by heparin, it is mostly used when heparin is present in blood.