HematomaInjections, SubcutaneousHematoma, Epidural, CranialHematoma, SubduralInjectionsHematoma, Subdural, ChronicHematoma, Subdural, AcuteHematoma, Epidural, SpinalHematoma, Subdural, IntracranialInjections, IntravenousInjections, IntramuscularHematoma, Subdural, SpinalInjections, IntraperitonealInjections, IntralesionalCerebral HemorrhageInjections, Intra-ArticularTrephiningInjections, IntradermalRats, Sprague-DawleyTime FactorsTomography, X-Ray ComputedInjections, IntraventricularDisease Models, AnimalCraniotomyDose-Response Relationship, DrugInjections, EpiduralInjections, SpinalInjections, Intra-ArterialRats, WistarTreatment OutcomeSubdural SpaceIntravitreal InjectionsInjections, JetNeedlesMice, Inbred C57BLMice, Inbred BALB CInjections, IntraocularSkull FracturesRecombinant ProteinsRats, Inbred StrainsCerebral Hemorrhage, TraumaticSkinDura MaterRandom AllocationLiverRabbitsFlow Injection AnalysisBasal Ganglia HemorrhageMicroinjectionsCraniocerebral TraumaPainDrug Administration RoutesBrainMagnetic Resonance ImagingAnticoagulantsNeoplasm TransplantationNadroparinOrgan SizeNeurosurgical ProceduresGlasgow Coma ScalePain MeasurementTissue DistributionDrug Administration Schedule1,2-DimethylhydrazineRectus AbdominisAnimals, NewbornSubstance Abuse, IntravenousBody WeightIntracranial HemorrhagesSperm Injections, IntracytoplasmicHead Injuries, ClosedMice, NudeLidocaineAcute DiseaseSubdural EffusionDouble-Blind MethodInsulin, Long-ActingSpleenPregnancySuctionSyringesMice, Inbred StrainsMice, Inbred ICRNitrosomethylurethaneRats, Inbred LewRats, Inbred F344ImmunohistochemistryDelayed-Action PreparationsImmunizationProspective StudiesTurpentineDrainageCranial Fossa, PosteriorRemission, SpontaneousLaminectomyInsulin, Short-ActingGenetic TherapyNeoplasms, ExperimentalRNA, MessengerTransdermal Patch