Airway ObstructionLarynxLaryngeal EdemaLaryngeal DiseasesRespiratory SoundsIntestinal ObstructionLaryngeal NeoplasmsAirway ResistanceTracheal StenosisLaryngoscopyEpiglottisVocal CordsUreteral ObstructionLung Diseases, ObstructiveLaryngomalaciaIntubation, IntratrachealTracheal NeoplasmsLaryngismusGlottisVocal Cord ParalysisBronchoscopyForced Expiratory VolumeTracheotomyTracheal DiseasesRespiratory Function TestsAsthmaBronchial DiseasesSpirometryAirway RemodelingTracheostomyLaryngostenosisLaryngitisVital CapacityAirway ExtubationBronchiTongue DiseasesNasal ObstructionLaryngectomyTracheobronchomalaciaLungRespiratory SystemCroupBronchitisFiber Optic TechnologyPierre Robin SyndromeDuodenal ObstructionDyspneaBronchial HyperreactivityPrecipitating FactorsPlethysmography, Whole BodyMaximal Expiratory Flow-Volume CurvesPulmonary VentilationLaryngeal MucosaBronchoconstrictionUrinary Bladder Neck ObstructionRespiratory MechanicsUrethral ObstructionBronchial Provocation TestsBronchodilator AgentsPulmonary Disease, Chronic ObstructiveGastric Outlet ObstructionPhonationRetropharyngeal AbscessTotal Lung CapacityLaryngeal MusclesVentricular Outflow ObstructionResidual VolumeTracheitisRespiratory MucosaHypopharynxTomography, X-Ray ComputedHeliumLung Volume MeasurementsLaser TherapyCricoid CartilageLaryngeal NervesAir PressurePharynxPeak Expiratory Flow RateForced Expiratory Flow RatesLaryngeal MasksRespirationAlbuterolRespiratory Tract DiseasesMaximal Expiratory Flow RateBronchoalveolar Lavage FluidAdministration, InhalationRespiratory HypersensitivityCoughPulmonary EmphysemaFunctional Residual CapacityHypopharyngeal NeoplasmsLacrimal Duct ObstructionShy-Drager SyndromeAerosolsInhalationHorse DiseasesTracheaMucusRespiratory Insufficiency