TracheaBronchiBronchial NeoplasmsTracheal NeoplasmsBronchial DiseasesBronchoscopyBronchographyTracheal DiseasesMuscle, SmoothTracheal StenosisGuinea PigsBronchoconstrictionLungMuscle ContractionRespiratory SystemAirway ObstructionHemoptysisMuscle RelaxationCarcinoma, BronchogenicNeurokinin AIntubation, IntratrachealTachykininsEpitheliumMucusHistamineLarynxExocrine GlandsCell DivisionBronchial ArteriesPulmonary AtelectasisBronchial FistulaSubstance PForeign BodiesPneumonectomyMethacholine CompoundsAirway ResistanceAcetylcholineTracheobronchomegalyMuscle TonusTomography, X-Ray ComputedCapsaicinRespiratory Tract NeoplasmsRespiratory MucosaSRS-ACarcinoma, Adenoid CysticTracheitisEndothelinsBronchoscopesLung NeoplasmsFiber Optic TechnologyMucous MembraneTracheotomySolanum glaucophyllumAlbuterolMucociliary ClearanceCarbacholVagus NerveTracheoesophageal FistulaDose-Response Relationship, DrugEvans BlueElectric StimulationTime FactorsIsoproterenolAerosolsBronchiectasisDogsViper VenomsMethacholine ChlorideThoracic Surgical ProceduresIndomethacinParasympathetic Nervous SystemRadiography, ThoracicBronchial SpasmThoracotomyAtropinePulmonary ArteryPulmonary VentilationImmunohistochemistryReceptors, EndothelinBronchodilator AgentsSwineRespiratory Physiological PhenomenaRespiratory System AbnormalitiesAdrenergic beta-AgonistsEpithelial CellsPiperidinesStem CellsCoughCell DifferentiationLaser TherapyThiorphanPlasma Cell Granuloma, PulmonaryBronchitisMitosisBronchopneumoniaAsthmaModels, BiologicalPulmonary Surgical ProceduresEndothelin-3Drosophila Proteins