Airway ResistanceAirway ObstructionPlethysmography, Whole BodyLung ComplianceBronchoconstrictionAirway RemodelingRespiratory MechanicsLungLung Volume MeasurementsBronchoconstrictor AgentsDrug ResistanceMethacholine ChlorideRespiratory Function TestsBronchial HyperreactivityAsthmaBronchiRespiratory SystemDrug Resistance, MicrobialDrug Resistance, BacterialBronchial Provocation TestsPulmonary VentilationInhalationRhinomanometryDrug Resistance, NeoplasmPlethysmographyNasal ObstructionFunctional Residual CapacityHistamineAir PressureSpirometryBronchodilator AgentsDrug Resistance, MultipleRespiratory Physiological PhenomenaRhinometry, AcousticVascular ResistanceRespirationNasal DecongestantsDisease ResistanceBronchoalveolar Lavage FluidAdministration, InhalationNoseForced Expiratory VolumeTidal VolumeOscillometryRespiratory HypersensitivityAlbuterolIpratropiumDrug Resistance, ViralDrug Resistance, Multiple, BacterialNasal Provocation TestsAerosolsEpiglottisBronchial SpasmNasal CavityIntubation, IntratrachealPositive-Pressure RespirationRespiratory MusclesClemastineAnti-Bacterial AgentsMaximal Expiratory Flow-Volume CurvesMouth BreathingWork of BreathingMuscle, SmoothAirway ManagementPharynxRespiratory MucosaThyroid CartilageSnoringMicrobial Sensitivity TestsTotal Lung CapacityLung Diseases, ObstructiveGuinea PigsForced Expiratory Flow RatesSleep Apnea SyndromesMethacholine CompoundsVital CapacitySleep Apnea, ObstructiveNasal MucosaTime FactorsRespiratory SoundsMucusMice, Inbred BALB CHeliumHypersensitivityCromolyn SodiumDisease Models, AnimalSleepCoughEosinophilsMolecular Sequence DataPulmonary Gas ExchangeDose-Response Relationship, DrugMutationRespiration, ArtificialSneezingMice, Inbred C57BLTracheaPulmonary EmphysemaTetracycline ResistanceAtropine Derivatives