Airway ObstructionTongueLaryngeal DiseasesPierre Robin SyndromeAirway ResistanceTongue DiseasesTracheal StenosisTracheotomyPharynxLaryngeal EdemaTongue NeoplasmsLaryngostenosisLarynxSleep Apnea, ObstructiveSleep Apnea SyndromesHypopharynxAir PressureRespiratory MechanicsPulmonary VentilationHigh-Frequency Jet VentilationIntestinal ObstructionCroupTracheostomyLung Diseases, ObstructiveTracheal DiseasesPolysomnographyLudwig's AnginaGoiter, SubsternalOropharynxHeliumVentilators, Negative-PressureFailure to ThriveRespiratory Function TestsRespiratory SystemTracheal NeoplasmsSnoringUvulaIntubation, IntratrachealRespiratory MusclesRespirationAdenoidsUreteral ObstructionArytenoid CartilageSleepLaryngoscopyForced Expiratory VolumePalate, SoftForced Expiratory Flow RatesPharyngeal MusclesAsthmaApneaNasal ObstructionTracheaSleep StagesVocal CordsEpiglottisAdenoidectomySpirometryTonsillectomyVocal Cord ParalysisWork of BreathingContinuous Positive Airway PressureAirway RemodelingVital CapacityBronchiLungInhalationArrhythmia, SinusRespiratory Physiological PhenomenaMaximal Expiratory Flow-Volume CurvesElectromyographyHypoglossal NerveAnesthetics, IntravenousPositive-Pressure RespirationBronchial DiseasesTongue, FissuredPlethysmography, Whole BodyBronchoscopyBronchitisDuodenal ObstructionBronchial HyperreactivityTongue HabitsLung Volume MeasurementsBronchoconstrictionRespiratory MucosaOxygenPressureGlottisUrinary Bladder Neck ObstructionUrethral ObstructionNosePulmonary Disease, Chronic ObstructiveTomography, X-Ray ComputedBronchial Provocation TestsBronchodilator AgentsGastric Outlet ObstructionTotal Lung CapacityTreatment OutcomeVentricular Outflow ObstructionExhalation