Airway ObstructionPulmonary EmphysemaEmphysemaLungSendai virusRespirovirus InfectionsAntigens, CD11aSubcutaneous EmphysemaIntestinal ObstructionAirway ResistanceRespiratory MucosaMediastinal EmphysemaRespiratory Function TestsLung Diseases, ObstructiveForced Expiratory VolumeBronchoalveolar Lavage FluidUreteral ObstructionImmunologic MemorySpirometryVital CapacityAsthmaAirway RemodelingLung DiseasesBronchiLaryngeal DiseasesPulmonary Disease, Chronic ObstructiveTracheal StenosisTotal Lung CapacityLung Volume MeasurementsMice, Inbred C57BLBronchitisEpithelial CellsNasal ObstructionCD8-Positive T-LymphocytesBronchial DiseasesBronchoscopyLung NeoplasmsHeliumResidual VolumeRespiratory SystemRespiratory MechanicsPulmonary VentilationPlethysmography, Whole BodyTomography, X-Ray ComputedBronchial HyperreactivitySmokingPierre Robin SyndromeDuodenal ObstructionMaximal Expiratory Flow-Volume CurvesBronchodilator AgentsBronchoconstrictionTracheal DiseasesBronchial Provocation TestsUrinary Bladder Neck ObstructionDyspneaUrethral ObstructionTracheotomyalpha 1-Antitrypsin DeficiencyGastric Outlet ObstructionFunctional Residual CapacityPulmonary AlveoliPancreatic ElastaseIntubation, IntratrachealLung InjuryVentricular Outflow ObstructionLung TransplantationAdministration, InhalationLaryngostenosisAerosolsBronchographyAlbuterolPneumonectomyRespirationForced Expiratory Flow RatesLarynxRespiratory HypersensitivityMaximal Expiratory Flow RateInhalationLung CompliancePeak Expiratory Flow RatePulmonary Heart DiseaseLaryngeal EdemaCarcinoma, Non-Small-Cell LungTracheostomyMucusSmokeSeverity of Illness IndexPulmonary FibrosisCoughRespiratory SoundsTracheal NeoplasmsPulmonary Diffusing CapacityEpiglottisPneumoniaLacrimal Duct ObstructionHorse DiseasesLaryngeal MasksHigh-Frequency Jet VentilationBronchial SpasmTreatment Outcome