IndomethacinCyclooxygenase InhibitorsProstaglandinsAnti-Inflammatory Agents, Non-SteroidalDinoprostoneProstaglandins EProstaglandin-Endoperoxide SynthasesProstaglandin AntagonistsDuctus Arteriosus, PatentCyclooxygenase 14,5-Dihydro-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-3-amineStomach UlcerIbuprofenArachidonic AcidsGastric Mucosa6-Ketoprostaglandin F1 alphaMasoprocolArachidonic AcidMeclofenamic AcidProstaglandins FAspirinEpoprostenolCyclooxygenase 2Rats, WistarBradykininLipoxygenase InhibitorsDose-Response Relationship, DrugVasodilation16,16-Dimethylprostaglandin E2Time FactorsCyclooxygenase 2 InhibitorsDrug InteractionsRats, Sprague-DawleyAdministration, OralBiological FactorsNitrobenzenesNG-Nitroarginine Methyl EsterRats, Inbred StrainsThromboxane B2Guinea Pigs5,8,11,14-Eicosatetraynoic AcidNitric OxideNitroarginineRabbitsRadiation DosageDrug Administration ScheduleLethal Dose 50AcetylcholineVasoconstrictionThromboxane A2Muscle RelaxationHistamineDinoprostProstaglandins E, SyntheticSulfonamidesPyrazolesMuscle ContractionDuctus ArteriosusEndothelium, VascularEnzyme InhibitorsEdemaSRS-APiroxicamAnti-Inflammatory AgentsDouble-Blind MethodInjections, IntravenousVasodilator AgentsThromboxanesDogsKetoprofenVasoconstrictor AgentsMuscle, SmoothRadiometryBlood PressureKidneyDiclofenacCarrageenanSodium SalicylateQuinacrinePhenylbutazoneNitric Oxide SynthaseButanonesEicosanoidsTracheaDipyroneMesenteric ArteriesTreatment OutcomeRegional Blood FlowSuppositoriesFlurbiprofenIsoenzymes15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidMuscle TonusOssification, HeterotopicLipoxygenaseSalicylatesThromboxane-A SynthaseDrug SynergismCells, CulturedGastric Acid