S Saad, S., A. B Al –Saffar, and B. S Minwah. “Relation of the Mandibular Canal to the Root Apices of Different Types of Impacted Lower 3rd Molar”. Al-Rafidain Dental Journal, vol. 12, no. 1, Jan. 2012, pp. 109-14, doi:10.33899/rden.2012.42650.