TiclopidineAspirinPlatelet Aggregation InhibitorsPurinergic P2Y Receptor AntagonistsPlatelet Function TestsReceptors, Purinergic P2Y12Platelet AggregationDrug Therapy, CombinationHemorrhageThiophenesAcute Coronary SyndromeBlood PlateletsAryl Hydrocarbon HydroxylasesPlatelet ActivationThrombosisAngioplasty, Balloon, CoronaryAnti-Inflammatory Agents, Non-SteroidalTreatment OutcomeMyocardial InfarctionStentsPostoperative HemorrhageDrug ResistanceDrug InteractionsPurinergic P2 Receptor AntagonistsProton Pump InhibitorsCoronary ThrombosisDouble-Blind MethodAdenosine DiphosphatePlatelet Glycoprotein GPIIb-IIIa ComplexCoronary Artery DiseaseAnticoagulantsBleeding TimeFibrinolytic AgentsPiperazinesTime FactorsThromboxane B2Prospective StudiesStrokeDose-Response Relationship, DrugPercutaneous Coronary InterventionDrug-Eluting StentsDrug Administration ScheduleRisk FactorsThrombelastographyCyclooxygenase InhibitorsPharmacogeneticsWarfarinDipyridamolePremedicationP-SelectinRisk AssessmentGastrointestinal HemorrhageSalicylatesCross-Over StudiesRecurrenceCytochrome P-450 CYP3AFollow-Up Studies