Airway ObstructionLungSendai virusRespirovirus InfectionsAntigens, CD11aLung DiseasesIntestinal ObstructionRespiratory MucosaLung Diseases, ObstructiveAirway ResistanceBronchoalveolar Lavage FluidRespiratory Function TestsUreteral ObstructionImmunologic MemoryForced Expiratory VolumeAsthmaVital CapacityBronchiSpirometryAirway RemodelingLaryngeal DiseasesBronchopulmonary DysplasiaTracheal StenosisChronic DiseaseMice, Inbred C57BLEpithelial CellsCD8-Positive T-LymphocytesPulmonary Disease, Chronic ObstructiveNasal ObstructionInfant, Premature, DiseasesInfant, PrematureBronchitisBronchial DiseasesRespiratory SystemLung Volume MeasurementsLung InjuryLung NeoplasmsInfant, NewbornBronchial HyperreactivityBronchodilator AgentsPierre Robin SyndromeBronchoscopyCystic FibrosisPlethysmography, Whole BodyRespiratory Distress Syndrome, NewbornTotal Lung CapacityDuodenal ObstructionMaximal Expiratory Flow-Volume CurvesLung TransplantationPulmonary VentilationRespiration, ArtificialBronchoconstrictionAdministration, InhalationRespiratory MechanicsTracheal DiseasesPulmonary EmphysemaBronchial Provocation TestsUrinary Bladder Neck ObstructionUrethral ObstructionIntubation, IntratrachealGastric Outlet ObstructionOxygen Inhalation TherapyDyspneaResidual VolumeTracheotomyVentricular Outflow ObstructionHeliumLaryngostenosisPneumoniaMucusSputumForced Expiratory Flow RatesLarynxBronchiectasisRespiratory HypersensitivityMaximal Expiratory Flow RateAerosolsAlbuterolFunctional Residual CapacityPseudomonas InfectionsPeak Expiratory Flow RatePulmonary FibrosisLaryngeal EdemaBronchiolitis ObliteransRespirationPulmonary AlveoliSmokingTracheaTomography, X-Ray ComputedCarcinoma, Non-Small-Cell LungInhalationRespiratory TherapyTreatment OutcomeMaximal Midexpiratory Flow RateTracheostomyTracheal NeoplasmsEpiglottisLacrimal Duct ObstructionAcute Lung InjuryHorse Diseases