AspirinPlatelet Aggregation InhibitorsThromboxane B2Platelet AggregationTiclopidineAnti-Inflammatory Agents, Non-SteroidalBlood PlateletsDrug Therapy, CombinationDouble-Blind MethodDose-Response Relationship, DrugGene DosageDosage Compensation, GeneticDosage FormsCyclooxygenase InhibitorsSalicylatesPlatelet Function TestsSodium SalicylateFibrinolytic AgentsTablets, Enteric-CoatedAnticoagulantsHemorrhageWarfarinAsthma, Aspirin-Induced