Injections, SubcutaneousInjectionsInjections, IntravenousInjections, IntramuscularDrug Delivery SystemsInjections, IntraperitonealInjections, IntralesionalInjections, Intra-ArticularDelivery, ObstetricInjections, IntradermalRats, Sprague-DawleyTime FactorsDisease Models, AnimalInjections, IntraventricularDose-Response Relationship, DrugInjections, SpinalInjections, EpiduralRats, WistarPregnancyInjections, Intra-ArterialMice, Inbred C57BLMice, Inbred BALB CIntravitreal InjectionsDrug CarriersNeedlesInjections, JetGene Transfer TechniquesInjections, IntraocularGenetic TherapyGenetic VectorsRecombinant ProteinsSkinDrug Administration RoutesRats, Inbred StrainsDelayed-Action PreparationsNanoparticlesRabbitsRandom AllocationTissue DistributionLiverMicroinjectionsTreatment OutcomeNeoplasm TransplantationFlow Injection AnalysisMice, NudeAdministration, CutaneousPainOrgan SizeNadroparinAnimals, NewbornDrug Administration ScheduleCesarean SectionBody WeightPain Measurement1,2-DimethylhydrazineSperm Injections, IntracytoplasmicSubstance Abuse, IntravenousDelivery of Health CarePolyethylene GlycolsLiposomesChemistry, PharmaceuticalSpleenTransdermal PatchSyringesRats, Inbred F344Mice, Inbred ICRDouble-Blind MethodImmunizationImmunohistochemistryMice, Inbred StrainsRats, Inbred LewNeoplasms, ExperimentalMicrospheresLidocaineBrainInsulin, Long-ActingRNA, MessengerAdenoviridaeNitrosomethylurethanePolyglycolic AcidDogsAdministration, OralTurpentineImmunoglobulin GAnalysis of VarianceRats, HairlessAdjuvants, ImmunologicInsulin, Short-ActingInflammationBehavior, AnimalVitreous BodyNaloxoneAnesthetics, LocalAntibody FormationCells, CulturedGrowth HormoneFreund's AdjuvantCosmetic TechniquesInsulinDrugs, Chinese Herbal