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Clinical Trials as TopicAdministration, OralDrug Administration RoutesDrug Administration ScheduleTime FactorsInjections, IntravenousDouble-Blind MethodDose-Response Relationship, DrugUnited States Food and Drug AdministrationTreatment OutcomeAdministration, IntranasalRats, Sprague-DawleyClinical Trials, Phase III as TopicInjections, SubcutaneousInjections, IntraperitonealResearch DesignInjections, IntramuscularClinical Trials, Phase II as TopicDisease Models, AnimalRats, WistarClinical Trials, Phase I as TopicAdministration, RectalInfusions, IntravenousControlled Clinical Trials as TopicPlacebosBiological AvailabilityAdministration, TopicalProspective StudiesMice, Inbred C57BLCross-Over StudiesRandom AllocationHalf-LifeDrug Therapy, CombinationAdministration, CutaneousArea Under CurveLiverAntineoplastic AgentsAdministration, IntravenousFollow-Up StudiesSingle-Blind MethodMice, Inbred BALB CDrug InteractionsAdministration, SublingualTissue DistributionAnalysis of VarianceInjections, IntraventricularClinical ProtocolsAdministration, InhalationNeoplasmsDogsPatient SelectionBlood PressureBrainPregnancyPilot ProjectsRecombinant ProteinsRats, Inbred StrainsUnited StatesBody WeightDrug CombinationsInjectionsEarly Termination of Clinical TrialsPain MeasurementMulticenter Studies as TopicAntineoplastic Combined Chemotherapy ProtocolsKidneyBehavior, AnimalInfusions, ParenteralPlant ExtractsCombined Modality TherapyAntibodies, MonoclonalClinical Trials Data Monitoring CommitteesLungMotor ActivityMorphinePainChromatography, High Pressure LiquidMetabolic Clearance RateAnalgesics, OpioidInjections, SpinalDrug ToleranceSurvival AnalysisAnti-Bacterial AgentsDrug ApprovalDrug Evaluation, PreclinicalDrug EvaluationInjections, IntradermalAnalgesicsFeasibility StudiesAdministration, IntravaginalQuality of LifeCost-Benefit AnalysisRecurrencePhytotherapyBlood GlucoseRisk FactorsSeverity of Illness IndexMice, Inbred ICRHeart RateInjections, Intra-Arterial