1. Identification of the difficult and failed airway;Murphy,2004
2. Practice guidelines for the management of the difficult airway: an updated report by the American Society of Anesthesiologists task force on management of the difficult airway;Caplan;Anesthesiology,2003
3. Practice guidelines for the management of the difficult airway: a report by the American Society of Anesthesiologists task force on management of the difficult airway;Anonymous;Anesthesiology,1993
4. Airway evaluation;Murphy,2008
5. Basic airway management and decision-making;Vrocher,2004