AspirinBlood PlateletsPlatelet AggregationPlatelet CountPlatelet AdhesivenessPlatelet Membrane GlycoproteinsPlatelet Function TestsPlatelet Factor 4Platelet TransfusionPlatelet Glycoprotein GPIIb-IIIa ComplexPlatelet Activating FactorPlatelet Glycoprotein GPIb-IX ComplexPlatelet Aggregation InhibitorsThrombinAnti-Inflammatory Agents, Non-SteroidalAdenosine DiphosphateBleeding TimeAntigens, Human PlateletThrombosisThrombocytopeniaP-SelectinFibrinogenThromboxane A2MegakaryocytesCyclooxygenase Inhibitorsvon Willebrand FactorPlatelet Membrane Glycoprotein IIbTiclopidineThromboxanesCollagenThromboxane B2Platelet Factor 3Blood CoagulationReceptors, Purinergic P2Y12SalicylatesHemostasisHemorrhageSerotoninEpoprostenolFibrinolytic AgentsDose-Response Relationship, DrugDrug Therapy, CombinationPlatelet Storage Pool DeficiencyAnticoagulantsRistocetinThrombastheniaTime FactorsThrombopoiesisSulfinpyrazonePurpura, ThrombocytopenicHeparinCytoplasmic GranulesPlatelet-Rich PlasmaArachidonic AcidSodium SalicylateCyclooxygenase 1Crotalid VenomsArachidonic AcidsProstaglandin Endoperoxides, SyntheticThrombocytosisProstaglandin-Endoperoxide SynthasesThrombopoietinIndomethacinBlood Coagulation FactorsDipyridamoleRabbitsEpinephrineAntibodies, MonoclonalImmunoglobulin Fab FragmentsReceptors, ThromboxaneCalciumWarfarin15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidBlood Cell CountDouble-Blind MethodTablets, Enteric-CoatedBlood ProteinsProstaglandinsThrombelastographyApyraseAsthma, Aspirin-InducedBlood PreservationBernard-Soulier SyndromeIndiumIbuprofenReceptors, ThrombinFlow CytometryKineticsTreatment OutcomeGastrointestinal HemorrhagePlateletpheresisMyocardial InfarctionBlood Coagulation TestsDrug ResistanceRisk FactorsProspective StudiesThromboxane-A SynthasePlatelet ActivationReceptors, CollagenCyclooxygenase 2 Inhibitors