Tracheal DiseasesTracheaBronchial DiseasesBronchiBronchoscopyBronchopulmonary SequestrationTracheal NeoplasmsBronchographyTreesBronchoscopesBronchial NeoplasmsPolychondritis, RelapsingRespiratory SystemForeign BodiesTracheal StenosisLungRespiratory Physiological PhenomenaLung ComplianceAirway ResistanceRespiratory MechanicsMacrophages, AlveolarMucociliary ClearanceAirway ObstructionPulmonary AlveoliTomography, X-Ray ComputedRespiratory System AbnormalitiesTracheitisDecision TreesMucusCoughLung Volume MeasurementsAcid RainAerosolsRespirationRespiration, ArtificialMucin-5BGold IsotopesRespiratory Function TestsPulmonary AtelectasisTidal VolumeMucinsFunctional Residual CapacityAlveolar ProcessSiliconesRespiratory MucosaLung DiseasesPhylogenyPulmonary Surgical ProceduresBronchitisAir PressureAir SacsHemoptysisOscillometryPositive-Pressure RespirationPulmonary VentilationConstriction, PathologicEpithelial CellsPulmonary Alveolar ProteinosisRespiratory AspirationInhalationPulmonary Stretch ReceptorsSulfuric AcidsPulmonary Gas ExchangeRespiratory Tract DiseasesRespiratory Distress Syndrome, AdultVideo-Assisted SurgeryTracheobronchomalaciaRespiratory Tract FistulaBronchopneumoniaBronchoalveolar Lavage FluidSpirometryEpitheliumAdministration, InhalationPulmonary AspergillosisIntubation, IntratrachealHypopharynxTea Tree OilLaser TherapyLung Diseases, ObstructiveTime FactorsAlveolar Bone LossLocusta migratoriaRhabdomyosarcoma, AlveolarThoracic Surgical ProceduresArgon Plasma CoagulationRespiratory ParalysisThoraxForced Expiratory VolumeTotal Lung CapacityAsthmaCarcinoma, BronchogenicTupaiidaeMucous MembraneElectrosurgeryPulmonary SurfactantsOxygenRespiration DisordersCiliaBronchomalaciaBronchial Fistula