1. Correlation of the Positive Culture to the Prognosis of Endodontically Treated Teeth: A Clinical Study;Zeldow;J. Am. Dent. Assoc,1963
2. Correlation of Positive Cultures With the Prognosis for Root Canal Treatment;Engström;Odontol. Rev,1964
3. Microbiology of the Pulp and Periapical Tissues: Culture Control;Matusow;Dent. Clin. North Am,1967
4. Endodontics Practice;Grossman,1965
5. Roentgenological and Clinical Evaluation of Endodontically Treated Teeth With or Without Negative Culture;Shapira,1973