1. Endodontic practice;Grossman,1988
2. Interradicular pathology as related to accessory root canals;Johnson;J Endod,1948
3. Periodontal pocket elimination by combined therapy;Hiatt;Dent. Clin North Am (March),1964
4. Incidence of bifurcated canals in mandibular bicuspids;Amos;J Am Dent Assoc,1965