1. Bacterial infection;Appleton,1950
2. An evaluation of mechanical instrumentation and the negative culture in endodontic therapy;Ingle;J.A.D.A.,1958
3. Standardized endodontic technique utilizing newly designed instruments and filling materials;Ingle;Oral Surg., Oral Med., Oral Path.,,1961
4. Glick, D. Personal communication.
5. A frank appraisal of the present status of the bacterial culture test as a routine endodontic procedure;Abramson,1961