BronchiectasisAirway ObstructionLungSendai virusRespirovirus InfectionsAntigens, CD11aIntestinal ObstructionAirway ResistanceRespiratory MucosaLung Diseases, ObstructiveForced Expiratory VolumeRespiratory Function TestsBronchographyBronchoalveolar Lavage FluidVital CapacityUreteral ObstructionImmunologic MemorySputumLung DiseasesAsthmaBronchiSpirometryBronchitisAirway RemodelingLaryngeal DiseasesTracheal StenosisBronchoscopyBronchial DiseasesCD8-Positive T-LymphocytesMice, Inbred C57BLEpithelial CellsTomography, X-Ray ComputedRespiratory SystemNasal ObstructionHemoptysisCystic FibrosisCoughMucusMucociliary ClearancePulmonary Disease, Chronic ObstructiveBronchial Provocation TestsLung NeoplasmsBronchial HyperreactivityCiliary Motility DisordersRespiratory MechanicsBronchodilator AgentsLung Volume MeasurementsPierre Robin SyndromePlethysmography, Whole BodyTotal Lung CapacityDuodenal ObstructionDyspneaMaximal Expiratory Flow-Volume CurvesAspergillosis, Allergic BronchopulmonaryAdministration, InhalationPulmonary VentilationBronchoconstrictionPulmonary EmphysemaKartagener SyndromeTracheal DiseasesUrinary Bladder Neck ObstructionUrethral ObstructionGastric Outlet ObstructionLung TransplantationResidual VolumeTracheotomyVentricular Outflow ObstructionHeliumLaryngostenosisRespiratory TherapyIntubation, IntratrachealSuppurationRespiratory SoundsLung InjuryForced Expiratory Flow RatesLarynxTreatment OutcomeRespiratory HypersensitivityMaximal Expiratory Flow RateAerosolsAlbuterolFunctional Residual CapacityPeak Expiratory Flow RateRetrospective StudiesSmokingLaryngeal EdemaRespirationPneumoniaCarcinoma, Non-Small-Cell LungInhalationChronic DiseaseSeverity of Illness IndexTracheostomyPseudomonas InfectionsTracheal NeoplasmsEpiglottisRespiratory Tract DiseasesLacrimal Duct ObstructionHorse DiseasesLaryngeal Masks