AspirinDose-Response Relationship, DrugDrug Administration SchedulePhotochemotherapyPhotosensitizing AgentsPharmaceutical PreparationsPlatelet Aggregation InhibitorsMisonidazoleTime FactorsAnti-Inflammatory Agents, Non-SteroidalClinical Trials, Phase I as TopicNitroimidazolesDrug Therapy, CombinationTreatment OutcomeDrug Delivery SystemsAdministration, OralAntineoplastic AgentsDouble-Blind MethodRadiation-Sensitizing AgentsDoxorubicinDrug CarriersAnticonvulsantsNeoplasmsTiclopidineThromboxane B2Cyclooxygenase InhibitorsProspective StudiesPlatelet AggregationAntineoplastic Combined Chemotherapy ProtocolsSalicylatesModels, BiologicalCell SurvivalPlatelet Function TestsTissue DistributionRats, Sprague-DawleyDisease Models, AnimalBlood PlateletsSodium SalicylateAnticoagulantsHemorrhageWarfarinFibrinolytic AgentsAsthma, Aspirin-InducedTablets, Enteric-CoatedRadiation DosageLethal Dose 50Cyclooxygenase 1Bleeding TimeIbuprofenProstaglandin-Endoperoxide SynthasesGastrointestinal HemorrhagePlatelet ActivationThromboxanesDrug InteractionsThromboxane A2AcetaminophenThrombosisCyclooxygenase 2 InhibitorsDrug ResistanceDipyridamoleRisk FactorsRadiometryLipoxinsGastric MucosaMyocardial InfarctionSulfinpyrazoneCyclooxygenase 2Stomach UlcerIndomethacinFollow-Up StudiesProstaglandinsStrokeNaproxenReye SyndromeInjections, IntravenousDrug HypersensitivityDinoprostoneDose-Response Relationship, RadiationDose Fractionation