Advancement on thrombolytic characteristic, function and clinicalapplication of different fibrinolytic enzymes Antithrombotic components in Dioscorea nipponica Antithrombotic components in Dioscorea nipponica Synthesis of diosgenin derivatives and their antithrombotic activity (II) Preparation of triterpenoid ilexoside O from Ilex pubescens and study on its antithrombotic activity Experimental studies on in vivo anticoagulant activity of recombinant hirudin in rabbits