1. Local anesthesia;Strichartz,1994
2. Cervical plexus block, airway block anatomy, glossopharyngeal block, superior laryngeal block, translaryngeal block;Brown,1992
3. Cervical plexus block, airway block anatomy, glossopharyngeal block, superior laryngeal block, translaryngeal block;Brown,1992
4. Local Analgesia in Head and Neck;Macintosh,1967
5. Anaesthesia of the upper airway using topical anaesthesia and superior laryngeal block;Gotta;Br J Anaesth,1981