1. Cervicofacial emphysema after air blown into a periodontal pocket;McClendon;JADA,1961
2. Danger from the dental drill;Charlebois;Canad Anaesth Soc J,1964
3. Three unusual cases of emphysema;Charlebois;Canad Anaesth Soc J,1964
4. Surgical emphysema as complication of dental operations;Shovelton;Brit Dent J,1957
5. Subcutaneous emphysema of the face;Brown;J Oral Surg,1949