Airway ObstructionIntestinal ObstructionAirway ResistancePharynxUreteral ObstructionRespiratory SystemHypopharynxLarynxAirway RemodelingPalate, SoftRespiratory MechanicsNasal ObstructionTongueSleep Apnea, ObstructiveAir PressureEpiglottisTracheotomyRespiratory MusclesRespiratory Physiological PhenomenaDuodenal ObstructionSleep Apnea SyndromesLaryngeal DiseasesInhalationPulmonary VentilationOropharynxPolysomnographyUrinary Bladder Neck ObstructionUrethral ObstructionBronchiGastric Outlet ObstructionLungTracheal StenosisVentricular Outflow ObstructionUvulaAsthmaVentilators, Negative-PressureHypoglossal NerveRespiratory MucosaSnoringLactuloseLaryngeal NervesRespirationPressureTracheal DiseasesNoseLaryngostenosisIntubation, IntratrachealContinuous Positive Airway PressureSleepBronchial HyperreactivityElectromyographyMandibular AdvancementTracheaTracheostomyRespiratory Function TestsLacrimal Duct ObstructionPalatal MusclesUpper ExtremityNasal CavityLung Diseases, ObstructiveAirway ManagementApneaAdenoidsLung Volume MeasurementsSleep StagesLaryngeal MusclesExhalationWakefulnessRhinitisLaryngeal EdemaNasal MucosaTidal VolumeBronchoconstrictionThyroid CartilageBronchoscopySpirometryLaryngeal MasksPositive-Pressure RespirationWork of BreathingMaximal Expiratory Flow-Volume CurvesVital CapacityMucusEndoscopyCephalometryBronchoalveolar Lavage FluidRespiratory System AbnormalitiesFiber Optic TechnologyCholestasisMouthHydronephrosisCroupRespiratory Tract DiseasesRespiratory HypersensitivityTonsillectomyNasal PolypsSinusitisBronchial Provocation TestsTomography, X-Ray ComputedDiaphragmCholestasis, Extrahepatic