Airway ResistanceAsthmaAirway ObstructionAirway RemodelingBronchiRespiratory SystemLungBronchoconstrictionRespiratory MucosaBronchial HyperreactivityPlethysmography, Whole BodyLung ComplianceRespiratory Function TestsBronchodilator AgentsRespiratory MechanicsPulmonary Disease, Chronic ObstructiveForced Expiratory VolumeAdministration, InhalationMethacholine ChlorideBronchoconstrictor AgentsLung Volume MeasurementsAlbuterolTracheaDrug ResistanceSpirometryBronchial Provocation TestsAnti-Asthmatic AgentsBronchoalveolar Lavage FluidPulmonary VentilationMuscle, SmoothInhalationEpithelial CellsDrug Resistance, MicrobialRespiratory HypersensitivityHistamineDrug Resistance, BacterialBronchitisRespiratory Physiological PhenomenaMucusAdrenal Cortex HormonesSputumEosinophilsRespiratory SoundsAirway ManagementFunctional Residual CapacityCystic FibrosisVital CapacityHypersensitivityNasal ObstructionLung Diseases, ObstructiveAir PressurePlethysmographyRhinomanometryAerosolsPeak Expiratory Flow RateIpratropiumDrug Resistance, NeoplasmIntubation, IntratrachealNasal MucosaRespirationAllergensPicornaviridae InfectionsAnti-Bacterial AgentsNoseCells, CulturedPositive-Pressure RespirationRhinovirusSeverity of Illness IndexCoughTime FactorsBronchial SpasmTidal VolumeInflammationMucin 5ACDrug Resistance, MultipleRhinometry, AcousticNasal CavityPneumoniaRespiratory MusclesOscillometryNasal DecongestantsBudesonideDisease Models, AnimalEpiglottisDisease ResistanceForced Expiratory Flow RatesPharynxMice, Inbred BALB CGuinea PigsVascular ResistanceDose-Response Relationship, DrugTotal Lung CapacityAcute DiseaseMyocytes, Smooth MuscleHeliumNasal Provocation TestsAsthma, Exercise-InducedDrug Resistance, Multiple, BacterialMaximal Expiratory Flow-Volume CurvesInterleukin-13