Airway ObstructionAirway ResistanceAirway RemodelingDrug ResistanceDrug Resistance, MicrobialDrug Resistance, BacterialDrug Resistance, NeoplasmPulmonary VentilationBronchiAir MovementsForced Expiratory VolumeAsthmaLungRespiratory SystemLung Diseases, ObstructiveDrug Resistance, MultipleDisease ResistanceSpirometryVascular ResistanceBronchial HyperreactivityRespiratory Function TestsPulmonary Disease, Chronic ObstructiveVital CapacityDrug Resistance, ViralDrug Resistance, Multiple, BacterialRespiratory MechanicsRespiratory MucosaAnti-Bacterial AgentsAirway ManagementBronchoconstrictionMicrobial Sensitivity TestsRhinomanometryBronchitisLarynxNasal CavityBronchial Provocation TestsAir PressurePulmonary EmphysemaTetracycline ResistancePharynxMutationInhalationGlottisBronchodilator AgentsRespiratory HypersensitivityBronchoalveolar Lavage FluidAdministration, InhalationLung Volume MeasurementsPlant DiseasesPenicillin ResistanceMucusVentilationRespirationDrug Resistance, FungalMaximal Expiratory Flow RateContinuous Positive Airway PressureTime FactorsMolecular Sequence DataPlethysmography, Whole BodyTotal Lung CapacityRespiratory Physiological PhenomenaIntubation, IntratrachealLung CompliancePressureSputumMuscle, SmoothBacterial ProteinsPhonationBronchographybeta-Lactam ResistancePhenotypeSmokingLaryngeal MasksForced Expiratory Flow RatesImmunity, InnateResistance TrainingAlbuterolEosinophilsCoughRespiratory MusclesNoseBronchiolesBronchoscopyNasal ObstructionEpithelial CellsPharyngeal MusclesR FactorsSleep Apnea, ObstructivePeak Expiratory Flow RateInflammationIpratropiumDNA, BacterialEscherichia coliP-GlycoproteinAmpicillin ResistanceDisease Models, AnimalModels, BiologicalCystic FibrosisChloramphenicol ResistanceTidal Volume