AspirinCaffeinePlatelet Aggregation InhibitorsProtein PrecursorsAnti-Inflammatory Agents, Non-SteroidalTiclopidineThromboxane B2Cyclooxygenase InhibitorsPlatelet AggregationCentral Nervous System StimulantsSalicylatesPlatelet Function TestsTheobromineAmyloid beta-Protein PrecursorCoffeeDrug Therapy, CombinationDose-Response Relationship, DrugBlood PlateletsSodium SalicylateFibrinolytic AgentsEnzyme PrecursorsDouble-Blind MethodTime FactorsHemorrhageAsthma, Aspirin-InducedAnticoagulantsWarfarinTablets, Enteric-CoatedCyclooxygenase 1RNA PrecursorsProstaglandin-Endoperoxide SynthasesBleeding TimeGastrointestinal HemorrhageIbuprofenPlatelet ActivationThromboxanesDipyridamoleThromboxane A2Drug InteractionsCalciumThrombosisCyclooxygenase 2 InhibitorsAcetaminophenRisk FactorsMolecular Sequence DataRyanodineIndomethacinDrug ResistanceLipoxinsCytochrome P-450 CYP1A2Prospective StudiesNucleic Acid PrecursorsGastric MucosaMyocardial InfarctionCells, CulturedAmino Acid SequenceTreatment OutcomeSulfinpyrazoneCyclooxygenase 2StrokeProstaglandinsAmyloid Precursor Protein SecretasesReye SyndromeSalicylic AcidProcaineStomach UlcerPhosphodiesterase InhibitorsNaproxenHeparin