1. Biologic Aspects of Endodontics. III. Periapical Tissue Reactions to Root Canal Instrumentation;Seltzer;Oral Surg., Oral Med. & Oral Path.,1968
2. Om vevsforandringer i det apikale paradentium hos mennesket ved rotbehandling;Nygaard-o¨stby;Mat.-Nat. Kiasse,1944
3. Histologische Untersuchungen an Vital extirpierten Za¨hnen;Ketterl;Stoma,1963
4. A Study of Periapical Overfilling in Root Canal Treatment in the Molar of Rat;Muruza´bal;Arch. Oral Biol.,1966
5. A Histological and Roentgenological Study of the Periapical Region of Human Upper Incisors;Brynolf;Odont. revy,1967