Airway ResistanceAirway ObstructionPlethysmography, Whole BodyLung ComplianceRespiratory MechanicsContinuous Positive Airway PressureBronchoconstrictionAirway RemodelingLungLung Volume MeasurementsRespiratory Function TestsBronchoconstrictor AgentsDrug ResistanceSleep Apnea, ObstructiveMethacholine ChlorideBronchial HyperreactivityAsthmaBronchiRespiratory SystemDrug Resistance, MicrobialPulmonary VentilationDrug Resistance, BacterialInhalationPositive-Pressure RespirationBronchial Provocation TestsRhinomanometryNasal ObstructionDrug Resistance, NeoplasmSleep Apnea SyndromesAir PressurePlethysmographyFunctional Residual CapacityPolysomnographySpirometryBronchodilator AgentsHistamineNoseRhinometry, AcousticRespirationDrug Resistance, MultipleRespiratory Physiological PhenomenaTidal VolumeNasal DecongestantsDisease ResistanceBronchoalveolar Lavage FluidVascular ResistanceWork of BreathingForced Expiratory VolumeAdministration, InhalationOscillometryIntubation, IntratrachealNasal CavityIpratropiumAlbuterolDrug Resistance, ViralDrug Resistance, Multiple, BacterialRespiratory HypersensitivityRespiratory MusclesEpiglottisNasal Provocation TestsAerosolsBronchial SpasmPharynxSnoringClemastineAnti-Bacterial AgentsMaximal Expiratory Flow-Volume CurvesMouth BreathingAirway ManagementSleepLung Diseases, ObstructiveRespiratory MucosaThyroid CartilageMuscle, SmoothMicrobial Sensitivity TestsTotal Lung CapacityPulmonary Gas ExchangeForced Expiratory Flow RatesRespiration, ArtificialVital CapacityGuinea PigsMucusNasal MucosaHeliumRespiratory SoundsMethacholine CompoundsWakefulnessTime FactorsPressureMandibular AdvancementVentilators, MechanicalCromolyn SodiumHumidityCoughSleep StagesHypersensitivityEosinophilsSneezingExhalationDisease Models, Animal