Airway ObstructionLungSendai virusRespirovirus InfectionsAntigens, CD11aAirway ResistanceRespiratory MucosaAirway RemodelingIntestinal ObstructionBronchoalveolar Lavage FluidLung Diseases, ObstructiveAsthmaBronchiUreteral ObstructionForced Expiratory VolumeRespiratory Function TestsImmunologic MemorySpirometryRespiratory SystemVital CapacityBronchial HyperreactivityLaryngeal DiseasesLung DiseasesTracheal StenosisEpithelial CellsMice, Inbred C57BLBronchoconstrictionNasal ObstructionBronchial DiseasesCD8-Positive T-LymphocytesBronchitisBronchoscopyLung Volume MeasurementsBronchial Provocation TestsRespiratory MechanicsPulmonary VentilationPlethysmography, Whole BodyTotal Lung CapacityAirway ManagementPierre Robin SyndromeMaximal Expiratory Flow-Volume CurvesLung NeoplasmsPulmonary Disease, Chronic ObstructiveBronchodilator AgentsRespiratory HypersensitivityDuodenal ObstructionIntubation, IntratrachealTracheal DiseasesAdministration, InhalationUrinary Bladder Neck ObstructionUrethral ObstructionTracheotomyHeliumMucusResidual VolumeLaryngeal MasksLaryngostenosisGastric Outlet ObstructionLarynxAerosolsPulmonary EmphysemaAlbuterolLung InjuryForced Expiratory Flow RatesVentricular Outflow ObstructionInhalationFunctional Residual CapacityRespirationDyspneaPeak Expiratory Flow RateContinuous Positive Airway PressureMaximal Expiratory Flow RateEpiglottisPharynxLung TransplantationAir PressureEosinophilsTracheostomyBronchial SpasmLaryngeal EdemaBronchographyCoughSleep Apnea, ObstructiveMuscle, SmoothSmokingCystic FibrosisTracheal NeoplasmsRespiratory SoundsCarcinoma, Non-Small-Cell LungRespiratory Physiological PhenomenaTomography, X-Ray ComputedHigh-Frequency Jet VentilationSputumHorse DiseasesLung ComplianceSleep Apnea SyndromesFiber Optic TechnologyTidal VolumeLacrimal Duct ObstructionPneumonia