EpiglottitisAirway ObstructionLaryngitisEpiglottisLaryngeal EdemaCroupHaemophilus InfectionsLaryngoscopyRespiratory SoundsLaryngeal DiseasesHaemophilus influenzaeIntestinal ObstructionHaemophilus influenzae type bAirway ResistanceTracheal StenosisUreteral ObstructionConvalescenceLarynxLung Diseases, ObstructiveLaryngomalaciaCeftriaxoneAcute DiseaseLaryngismusIntubation, IntratrachealTracheal NeoplasmsForced Expiratory VolumeBronchoscopyRespiratory Function Tests