1. Bacterial Infection;Appleton,1950
2. Bacterial Infection;Appleton,1950
3. Cervicofacial Actinomycosis;Arnott;Oral Surg., Oral Med., and Oral Path,1949
4. Results of Culturing Root Canals by a Simple Anaerobic Method;Buchbinder;J. D. Res,1940
5. Jordan-Burrows Textbook of Bacteriology;Burrows,1949