1. A new laryngoscope blade to overcome pharyngeal obstruction;Bainton;Anesthesiology,1987
2. An angulated laryngoscope for routine and difficult tracheal intubation;Bellhouse;Anesthesiology,1988
3. Force applied during tracheal intubation;Bishop;Anesth Analg,1992
4. Improved laryngoscope blade designed for ease of manipulation and reduction of trauma;Bizarri;Anesth Analg,1958
5. The Bullard laryngoscope, a new indirect-oral laryngoscope (Pediatric version);Borland;Anesth Analg,1990