Airway ResistanceAsthmaAirway ObstructionPrevalenceAirway RemodelingBronchiRespiratory SystemBronchoconstrictionLungRespiratory MucosaPlethysmography, Whole BodyBronchial HyperreactivityLung ComplianceRespiratory MechanicsRespiratory Function TestsMethacholine ChlorideBronchoconstrictor AgentsLung Volume MeasurementsTracheaDrug ResistanceBronchodilator AgentsBronchial Provocation TestsAdministration, InhalationMuscle, SmoothForced Expiratory VolumePulmonary VentilationInhalationDrug Resistance, MicrobialBronchoalveolar Lavage FluidDrug Resistance, BacterialRespiratory HypersensitivityEpithelial CellsHistamineSpirometryAlbuterolRespiratory Physiological PhenomenaAirway ManagementMucusNasal ObstructionRespiratory SoundsHypersensitivityFunctional Residual CapacityAir PressurePlethysmographyRhinomanometryAnti-Asthmatic AgentsEosinophilsDrug Resistance, NeoplasmAerosolsNasal MucosaNoseRespirationIntubation, IntratrachealBronchitisBronchial SpasmVital CapacityAllergensCells, CulturedIpratropiumTidal VolumeDrug Resistance, MultipleNasal CavityTime FactorsRhinometry, AcousticOscillometryNasal DecongestantsPositive-Pressure RespirationLung Diseases, ObstructiveEpiglottisPulmonary Disease, Chronic ObstructiveMucin 5ACDisease ResistancePharynxCoughCystic FibrosisAnti-Bacterial AgentsCross-Sectional StudiesRespiratory MusclesVascular ResistanceRisk FactorsGuinea PigsAsthma, Exercise-InducedDrug Resistance, Multiple, BacterialMyocytes, Smooth MuscleInflammationDrug Resistance, ViralNasal Provocation TestsSleep Apnea, ObstructiveForced Expiratory Flow RatesDisease Models, AnimalMice, Inbred BALB CMaximal Expiratory Flow-Volume CurvesTotal Lung CapacityPneumoniaDose-Response Relationship, DrugInterleukin-13Sleep Apnea SyndromesPeak Expiratory Flow RateClemastineHelium