Airway ObstructionLaryngoceleFormic Acid EstersAlternariosisRespiratory SystemIntestinal ObstructionAsthmaAirway ResistanceLungAcute DiseaseUreteral ObstructionBronchoalveolar Lavage FluidLung Diseases, ObstructiveForced Expiratory VolumeRespiratory Function TestsLaryngeal DiseasesSpirometryAirway RemodelingVital CapacityTracheal StenosisBronchiNasal ObstructionBronchial DiseasesBronchitisPierre Robin SyndromeDuodenal ObstructionBronchial HyperreactivityPlethysmography, Whole BodyMaximal Expiratory Flow-Volume Curves