title: Obstructive airway diseases in children. 4. An emergency opening.
mesh_terms: D002675:Child, Preschool; D004630:Emergencies; D004825:Epiglottis; D005260:Female; D006801:Humans; D007826:Laryngismus / Q000451:nursing* / Q000601:surgery; D007827:Laryngitis / Q000451:nursing*; D014140:Tracheotomy