1. Clinical Endodontics;Sommer,1966
2. An Evaluation of Mechanical Instrumentation and the Negative Culture in Endodontic Therapy;Ingle;J. Am. Dent. Assoc,1958
3. Antibiotics vs. Instrumentation in Endodontics;Auerbach;N. Y. State Dent. J,1953
4. Importance of Chemomechanical Preparation of the Root Canal;Stewart;Oral Surg,1955
5. Effect of Instrumentation and Flushing of Non-vital Teeth in Endodontic Therapy; Clinical and Bacteriology Study;Grahnen;Odontol. Revy,1963