1. Interstitial emphysema after an amalgam restoration;Duncan;JADA,1967
2. Air in the neck;Thawley;Laryngoscope,1974
3. Subcutaneous facial emphysema;Wolfe;JAMA,1963
4. Auditory canal drainage from a masticator space cellulitis;Bird;J Oral Surg,1973
5. Pansinusitis, orbital cellulitis and blindness sequelae of delayed treatment of dental abscess;Gold;J Oral Surg,1974