Mucociliary ClearanceBronchiMucusBronchial DiseasesCiliaTracheaBronchial NeoplasmsBronchoscopyBronchographyNasal MucosaCiliary Motility DisordersAerosolsRespiratory MucosaAirway ObstructionTracheal DiseasesLungDiuretics, OsmoticTechnetium Tc 99m Sulfur ColloidRespiratory SystemTracheobronchomalaciaTechnetium Tc 99m Aggregated AlbuminTracheal NeoplasmsSaccharinAdministration, InhalationTracheal StenosisBromhexineKartagener SyndromeCystic FibrosisSaline Solution, HypertonicBronchiectasisTerbutalineMucous MembraneAcid RainSulfuric AcidsBronchial FistulaHemoptysisBronchoconstrictionRhinitisPalatePulmonary AtelectasisSinusitisBronchospirometryAtropine DerivativesAsthmaPneumonectomyRespiratory Function TestsPowdersAirway RemodelingNoseAirway ResistanceMotion Pictures as TopicExpectorantsNeurokinin AMannitolForeign BodiesEpithelial CellsCoughMetabolic Clearance RateForced Expiratory VolumeEvans BlueIntubation, IntratrachealPulmonary Surgical ProceduresGuinea PigsThoracotomyLung DiseasesSubstance PChest TubesMucinsEpitheliumTomography, X-Ray ComputedCystic Fibrosis Transmembrane Conductance RegulatorSputumTime FactorsTechnetiumMuscle, SmoothDouble-Blind MethodCapsaicinLaser TherapyChloridesIon Transport