1. Hazards of Endodontics Without the Rubber Dam: Report of Three Cases;Rosenberg;Ann. Dent,1965
2. The Case of the Missing File: Or Six Reasons Why Root Canal Therapy Must Never Be Performed Without the Rubber Dam;Fox;New York State Dent. J,1966
3. Accidental Swallowing of an Endodontic Instrument;Christen;Oral Surg,1967