EnoxaparinAnticoagulantsHeparinFactor XaHemorrhageVenous ThromboembolismBlood CoagulationLupus Coagulation InhibitorHeparin, Low-Molecular-WeightPartial Thromboplastin TimeWarfarinThromboembolismFibrinolytic AgentsProthrombin TimeVenous ThrombosisAcenocoumarolAntithrombinsProtein CThrombin TimeBlood Coagulation TestsRodenticidesThrombophlebitisInternational Normalized RatioPulmonary EmbolismPhenindione4-Hydroxycoumarinsbeta-AlanineThrombosisThiophenesInjections, SubcutaneousProthrombinPhenprocoumonProtein SBlood Coagulation FactorsDalteparinNadroparinThrombinThrombomodulinPlatelet Aggregation InhibitorsPyridonesHirudinsAntithrombin IIIAdministration, OralTreatment OutcomeAntiphospholipid SyndromeVitamin KHematomaAngina, UnstableAspirinPipecolic AcidsAntibodies, AntiphospholipidThromboplastinMorpholinesDouble-Blind MethodPolysaccharidesAntibodies, AnticardiolipinDrug Therapy, CombinationThrombophiliaBlood Coagulation DisordersPlatelet Glycoprotein GPIIb-IIIa ComplexRecurrenceIntracranial Hemorrhage, TraumaticWhole Blood Coagulation TimeMyocardial InfarctionBenzimidazolesDrug MonitoringTolmetinAtrial FibrillationHeparin AntagonistsFactor XProspective StudiesPostoperative HemorrhageHirudin TherapyFactor VCoagulantsbeta 2-Glycoprotein IPhlebographyDicumarolFibrin Fibrinogen Degradation ProductsActivated Protein C ResistanceFactor VaHemostasisTime FactorsDose-Response Relationship, DrugRodent ControlPostoperative ComplicationsThrombolytic TherapyIntracranial Hemorrhages