1. über Eine Scheinbar Pathogene Wirkung Der Spirochaete Dentium;Miller;Deutsche med. Wchnschr,1906
2. Fuso-Spirochetal Disease;Ryan,1932
3. Clinical Endodontics;Sommer,1956
4. Classification of Microorganisms From the Pulp Canal of Nonvital Teeth;Mazzarella,1955
5. Bacteriology of the Periapical Tissues of Pulpless and Viable Teeth;Lucas Carl;Dental Cosmos,1920