AspirinMigraine DisordersPlatelet Aggregation InhibitorsMigraine with AuraTiclopidineMigraine without AuraThienopyridinesPlatelet AggregationPlatelet Function TestsPhosphodiesterase 3 InhibitorsDipyridamoleThrombosisAnticoagulantsBlood PlateletsHemorrhagePlatelet ActivationReceptors, Purinergic P2Y12ThiophenesWarfarinDrug Therapy, CombinationFibrinolytic AgentsStrokePurinergic P2 Receptor AntagonistsTetrazolesRisk FactorsTreatment OutcomeIschemic Attack, TransientRandomized Controlled Trials as TopicAdenosine DiphosphateMyocardial InfarctionAnti-Inflammatory Agents, Non-SteroidalFollow-Up StudiesTime FactorsTryptaminesProspective StudiesPurinergic P2Y Receptor AntagonistsRetrospective StudiesHeadacheThromboxane B2Cardiovascular DiseasesHeadache DisordersCoronary ThrombosisTension-Type HeadacheSumatriptanBleeding TimeAcute Coronary SyndromePhenprocoumonPlatelet Glycoprotein GPIIb-IIIa ComplexStentsCyclooxygenase InhibitorsAngioplasty, Balloon, CoronaryPhotophobiaCortical Spreading DepressionSalicylatesErgotamineDihydroergotamineDouble-Blind MethodDrug ResistanceDrug-Eluting StentsPostoperative HemorrhageRecurrenceSulfinpyrazoneThromboxanesDose-Response Relationship, DrugPlatelet CountSecondary PreventionThromboembolismPizotylineTablets, Enteric-CoatedCerebrovascular DisordersSerotonin Receptor AgonistsAnalgesicsCoronary Artery DiseaseRisk AssessmentThromboxane A2Gastrointestinal HemorrhageAdministration, OralHeparinCyclooxygenase 1NaproxenForamen Ovale, PatentDrug InteractionsBrain IschemiaPerioperative CarePiperazinesCoronary DiseaseHeadache Disorders, PrimaryIntracranial HemorrhagesHeadache Disorders, SecondaryImmunoglobulin Fab FragmentsDrug Administration ScheduleOphthalmoplegic MigraineThrombocytopeniaThrombelastographyCerebral HemorrhageEmbolismPurpura, ThrombocytopenicSodium SalicylateClinical Trials as TopicPlatelet Adhesiveness