1. The dependence of the results of pulp therapy on certain factors: an analytical study based on radiographic and clinical follow-up examinations;Strindberg;Acta Odont Scand,1956
2. The prognosis of pulp and root canal therapy: a clinical and radiographic follow-up examination;Grahnén;Odontol Revy,1961
3. Factors affecting successful repair after root canal therapy;Seltzer;J Am Dent Assoc,1963
4. Factors that influence the success of endodontic treatment;Storms;J Can Dent Assoc,1969
5. Long-term results of endodontic treatment performed with a standardized technique;Kerekes;J Endod,1979