Airway RemodelingAirway ObstructionAirway ResistanceBronchiRespiratory SystemBronchial HyperreactivityAirway ManagementRespiratory MucosaAsthmaLungSensitivity and SpecificityDiagnostic ErrorsDiagnostic Tests, RoutineBronchoconstrictionDiagnostic Techniques and ProceduresRespiratory HypersensitivityDiagnostic ImagingBronchoalveolar Lavage FluidBronchial Provocation TestsContinuous Positive Airway PressureLaryngeal MasksMucusIntubation, IntratrachealBronchoscopyMuscle, SmoothReproducibility of ResultsReagent Kits, DiagnosticRespiratory MechanicsEosinophilsRespiratory Function TestsForced Expiratory VolumeEpithelial CellsPredictive Value of TestsTomography, X-Ray ComputedRespiratory Physiological PhenomenaCystic FibrosisMolecular Diagnostic TechniquesAdministration, InhalationBronchitisROC CurvePharynxSputumDiagnostic and Statistical Manual of Mental DisordersAir PressureHypersensitivityDiagnostic ServicesBronchographyInflammationLung CompliancePneumoniaAerosolsProspective StudiesTime FactorsPulmonary VentilationRetrospective StudiesLarynxFiber Optic TechnologyInhalationMice, Inbred BALB CSleep Apnea, ObstructiveBronchodilator AgentsBiopsyBiological MarkersBronchial DiseasesSpirometryHistamineLung Diseases, ObstructiveMucociliary ClearanceEosinophiliaPositive-Pressure RespirationDisease Models, AnimalPulmonary EosinophiliaInterleukin-13Goblet CellsPulmonary Disease, Chronic ObstructiveLung Volume MeasurementsVital CapacityBronchiolesDiagnosisLung DiseasesMucin 5ACEpiglottisTh2 CellsGuinea PigsInterleukin-5Enzyme-Linked Immunosorbent AssayClinical Laboratory TechniquesNasal MucosaBronchial SpasmSeverity of Illness IndexCoughBreath TestsPolymerase Chain ReactionPharyngeal MusclesCells, CulturedTracheal StenosisMagnetic Resonance ImagingOzoneAlbuterolPlethysmography, Whole Body