AspirinCrystallography, X-RayCrystallizationModels, MolecularPlatelet Aggregation InhibitorsAnti-Inflammatory Agents, Non-SteroidalLiquid CrystalsMolecular Sequence DataAmino Acid SequenceProtein ConformationCrystallographyBinding SitesProtein Structure, TertiaryTiclopidineThromboxane B2Protein Structure, SecondaryBiological ProductsCyclooxygenase InhibitorsPlatelet AggregationSalicylatesProtein BindingSequence Homology, Amino AcidCatalytic DomainBacterial ProteinsProtein Structure, QuaternaryEscherichia coliPlatelet Function TestsBase SequenceMolecular StructureHydrogen BondingDimerizationBlood PlateletsSequence AlignmentSubstrate SpecificityDrug Therapy, CombinationKineticsCatalysisMutationRecombinant ProteinsSodium SalicylateCloning, MolecularCalcium OxalateMolecular ConformationFibrinolytic AgentsStructural Homology, ProteinDose-Response Relationship, DrugTime FactorsHemorrhageStructure-Activity RelationshipCalcium PyrophosphateAnticoagulantsProstaglandin-Endoperoxide SynthasesAsthma, Aspirin-InducedCyclooxygenase 1Dairy ProductsTablets, Enteric-CoatedWarfarinPlatelet ActivationThromboxanesBleeding TimeGastrointestinal HemorrhageConsumer Product SafetyIbuprofenModels, ChemicalProtein MultimerizationThromboxane A2Quartz Crystal Microbalance TechniquesMutagenesis, Site-DirectedLigandsStatic ElectricityDouble-Blind MethodCyclooxygenase 2 InhibitorsThrombosisDNAStereoisomerismChromatography, High Pressure LiquidProtein FoldingIndomethacinDrug ResistanceGlycosylation End Products, AdvancedDipyridamoleEscherichia coli ProteinsRisk FactorsOxidation-ReductionMagnetic Resonance SpectroscopyLipoxinsHydrolysisHydrogen-Ion ConcentrationAcetaminophenCyclooxygenase 2WaterSolutionsMembrane ProteinsTreatment OutcomeGenes, BacterialMyocardial InfarctionProduct LabelingProstaglandinsProspective StudiesGastric Mucosa