1. Universal modular glottiscope system: The evolution of a century of design and technique for direct laryngoscopy;Zeitels;Ann Otol Rhinol Laryngol,1999
2. Conventional (laryngoscopic) orotracheal and nasotracheal intubation (single lumen tube);Benumof,1996
3. Airway management and endotracheal intubation;Kaur,1991
4. Paramedic Emergency Care;Bledsoe,1997
5. Devices for difficult airway management in academic emergency departments: Results of a national survey;Levitan;Ann Emerg Med,1999