1. Current advances in oral surgery;Irby,1977
2. Emphysema: case histories and conclusions;Oswalt;J Miss Dent Assoc,1963
3. Schwartz, S.I., and others, (eds.). Principles of surgery, ed 2, vol 1. New York, McGraw-Co., p 660.
4. Tissue emphysema caused by hydrogen peroxide;Bhet;Oral Surg,1974
5. Radiologic evidence of surgical emphysema. Report of a case;Poyton;Oral Surg,1973