AspirinHeadacheHeadache DisordersTension-Type HeadacheCluster HeadacheVascular HeadachesMigraine DisordersHeadache Disorders, SecondaryNobel PrizeDeerPlatelet Aggregation InhibitorsAnti-Inflammatory Agents, Non-SteroidalHistory, 20th CenturyPortraits as TopicSocialismPsychoanalysisReplantationDuty to WarnHistory, 21st CenturyMigraine without AuraTiclopidineThromboxane B2MoralsGene Expression ProfilingCyclooxygenase InhibitorsPlatelet AggregationOligonucleotide Array Sequence AnalysisSpinal PunctureMigraine with AuraSalicylatesHistory, 19th CenturyKnowledge BasesPlatelet Function TestsAnalgesicsDrug Therapy, CombinationBlood Patch, EpiduralDatabases, GeneticTime FactorsTreatment OutcomeNeurologyResearchDouble-Blind MethodMetabolismTrigeminal Autonomic CephalalgiasComputational BiologyTryptaminesSumatriptanBlood PlateletsAortic AneurysmDatabases, Nucleic AcidSodium SalicylateDura MaterHybridization, GeneticFibrinolytic AgentsProspective StudiesSoftwareInsemination, ArtificialIntracranial HypotensionAnticoagulantsInternetRisk FactorsDose-Response Relationship, DrugWarfarinHemorrhageAsthma, Aspirin-InducedTranscriptomeUnited StatesIbuprofenInformation Storage and RetrievalAlgorithmsTrigeminal NerveTablets, Enteric-CoatedCyclooxygenase 1PhotophobiaGenomicsPrevalenceIndomethacinBleeding TimeGastrointestinal HemorrhageProstaglandin-Endoperoxide SynthasesPlatelet ActivationQuestionnairesThromboxanesChronic DiseaseFlushingFollow-Up StudiesRecurrenceCluster AnalysisDipyridamoleAcetaminophenPain MeasurementThromboxane A2Magnetic Resonance ImagingNaproxenTomography, X-Ray ComputedThrombosisMicroarray AnalysisCyclooxygenase 2 InhibitorsGene Regulatory NetworksRetrospective Studies