HematomaHematoma, Epidural, CranialHematoma, SubduralHematoma, Subdural, ChronicHematoma, Subdural, AcuteHematoma, Epidural, SpinalHematoma, Subdural, IntracranialInjectionsChemistry, PharmaceuticalHematoma, Subdural, SpinalCerebral HemorrhageTrephiningDelayed-Action PreparationsDrug CompoundingExcipientsTomography, X-Ray ComputedInjections, IntravenousInjections, IntramuscularTabletsCraniotomyDosage FormsInjections, SubcutaneousDrug CarriersSubdural SpaceInjections, IntralesionalTechnology, PharmaceuticalSkull FracturesInjections, Intra-ArticularEmulsionsDrug StabilityTime FactorsCerebral Hemorrhage, TraumaticTreatment OutcomeCapsulesParticle SizeTherapeutic EquivalencyDrug Delivery SystemsInjections, IntraperitonealBiological AvailabilityDura MaterBasal Ganglia HemorrhageInjections, IntradermalCraniocerebral TraumaPowdersSolubilityPharmaceutical SolutionsLiposomesMagnetic Resonance ImagingNanoparticlesGlasgow Coma ScaleNeurosurgical ProceduresRectus AbdominisAdministration, OralInjections, IntraventricularSkin AbsorptionInjections, Intra-ArterialMethylcelluloseIntracranial HemorrhagesHead Injuries, ClosedInjections, EpiduralSubdural EffusionPharmaceutical VehiclesCranial Fossa, PosteriorSuspensionsIntravitreal InjectionsInjections, SpinalDrainageLaminectomyRemission, SpontaneousSuctionRats, Sprague-DawleyAdministration, TopicalFreeze DryingDose-Response Relationship, DrugLigamentum FlavumRetrospective StudiesRetroperitoneal SpaceIntracranial Hemorrhage, HypertensiveInjections, JetCerebral AngiographyDisease Models, AnimalEsophageal DiseasesAnticoagulantsFlow Injection AnalysisDrug StorageNeedlesInjections, IntraocularGelsPostoperative ComplicationsAdministration, CutaneousExtravasation of Diagnostic and Therapeutic MaterialsArachnoid CystsAcute DiseaseDecompression, SurgicalPolyethylene GlycolsBrain Hemorrhage, TraumaticPolysorbatesPharmaceutical PreparationsBrain EdemaWounds, Nonpenetrating