1. Endodontics;Ingle,1976
2. Endodontic therapy;Weine,1976
3. Electrolytic precipitation of zinc carbonate in the jaw;Omnell;Oral Surg,1959
4. The science of dental materials;Skinner,1967
5. Results of retrograde root-filling with special reference to amalgam and Cavit as root-filling materials;Persson;Swed Dent J,1974