Airway ResistanceBronchiRespiratory MucosaLungEpithelial CellsAirway ObstructionPlethysmography, Whole BodyLung ComplianceBronchoconstrictionAirway RemodelingRespiratory MechanicsLung Volume MeasurementsDrug ResistanceRespiratory Function TestsBronchoconstrictor AgentsMethacholine ChlorideBronchial HyperreactivityAsthmaRespiratory SystemDrug Resistance, MicrobialDrug Resistance, BacterialPulmonary VentilationInhalationBronchial Provocation TestsRhinomanometryDrug Resistance, NeoplasmNasal ObstructionPlethysmographyFunctional Residual CapacityAir PressureHistamineSpirometryBronchodilator AgentsDrug Resistance, MultipleRespiratory Physiological PhenomenaRhinometry, AcousticNasal DecongestantsDisease ResistanceRespirationBronchoalveolar Lavage FluidVascular ResistanceNoseAdministration, InhalationTidal VolumeOscillometryForced Expiratory VolumeIpratropiumAlbuterolDrug Resistance, ViralDrug Resistance, Multiple, BacterialRespiratory HypersensitivityEpiglottisNasal Provocation TestsAerosolsNasal CavityIntubation, IntratrachealBronchial SpasmPositive-Pressure RespirationRespiratory MusclesClemastineAnti-Bacterial AgentsMaximal Expiratory Flow-Volume CurvesMouth BreathingWork of BreathingAirway ManagementPharynxThyroid CartilageMuscle, SmoothSnoringMicrobial Sensitivity TestsTotal Lung CapacityLung Diseases, ObstructiveForced Expiratory Flow RatesSleep Apnea SyndromesSleep Apnea, ObstructiveVital CapacityGuinea PigsMucusNasal MucosaHeliumRespiratory SoundsMethacholine CompoundsCromolyn SodiumSleepPulmonary Gas ExchangeCoughHypersensitivityEosinophilsRespiration, ArtificialSneezingTime FactorsDisease Models, AnimalPulmonary EmphysemaTetracycline ResistanceMice, Inbred BALB CAtropine DerivativesMutationBronchitisTracheaPressure