InjectionsInjections, IntramuscularInjections, IntravenousInjections, IntralesionalInjections, SubcutaneousInjections, Intra-ArticularInjections, IntraperitonealInjections, IntradermalInjections, EpiduralInjections, IntraventricularInjections, Intra-ArterialIntravitreal InjectionsInjections, SpinalInjections, JetInjections, IntraocularTime FactorsRats, Sprague-DawleyFlow Injection AnalysisMicroinjectionsDisease Models, AnimalSubstance Abuse, IntravenousSperm Injections, IntracytoplasmicSyringesDose-Response Relationship, DrugMice, Inbred C57BLNeedlesRats, WistarAnesthetics, LocalVitreous BodyTriamcinolone AcetonideRabbitsTriamcinoloneTissue DistributionMice, Inbred BALB CNeuromuscular AgentsBotulinum Toxins, Type ARats, Inbred StrainsLidocaineLiverGenetic TherapyPain MeasurementNeedle SharingPainGenetic VectorsTreatment OutcomeBrainContrast MediaNeoplasm TransplantationDrug Administration RoutesGene Transfer TechniquesPregnancySpleenBehavior, AnimalRandom AllocationAnti-Dyskinesia AgentsImmunohistochemistryMice, Inbred StrainsMice, NudeRadiopharmaceuticalsNeuronsDogsRNA, MessengerOocytesDrug UsersMice, Inbred ICRLipopolysaccharidesIodine RadioisotopesDisposable EquipmentAdenoviridaeAnimals, NewbornFreund's AdjuvantHyperalgesiaAnti-Inflammatory AgentsViscosupplementsAntibodies, MonoclonalSheepGlucocorticoidsNeoplasms, ExperimentalRecombinant ProteinsRats, Inbred LewAnalysis of VarianceProgesteroneNeedle-Exchange ProgramsLuteinizing HormoneBody TemperatureNerve BlockKidneyFertilization in VitroAutoradiographySclerosing SolutionsEstradiolSkinSpinal CordMice, KnockoutBlood PressureMetabolic Clearance RateCarrageenanCatsInjections, IntralymphaticCells, Cultured