Factor XaPyridonesThiophenesAnticoagulantsMorpholinesPartial Thromboplastin TimeAntithrombin IIIInvertebrate HormonesAntithrombinsBlood CoagulationHemorrhageFibrinolytic AgentsArthropod ProteinsAdministration, OralVenous Thromboembolismbeta-AlaninePyrazolesProthrombin TimeThrombinHeparinWarfarinEnoxaparinFactor XThromboembolismProthrombinThrombosisHeparin, Low-Molecular-WeightFactor VaPyridinesThromboplastinPolysaccharidesVenous ThrombosisFactor VDouble-Blind MethodRecombinant ProteinsAtrial FibrillationDose-Response Relationship, DrugFactor IXaStrokeSerine Proteinase InhibitorsTreatment OutcomeFactor VIIaProtein CBenzimidazolesFactor VIIKineticsDansyl CompoundsHirudinsFactor IX