1. Intracanal drugs and chemicals in endodontic therapy;Penick;Dent Clin North AM,1970
2. Irrigation of root canals;Grossman;JADA,1943
3. The importance of chemomechanical preparation of the root canal;Stewart;Oral Surg,1955
4. Root canal obturation;Ingle;JADA,1956
5. The efficacy of cleansing of the root canal;Nicholls;Br Dent J,1962