Alsaket, Y. M. ., A. M. . El-Ma’aita, J. . Aqrabawi, and A. Alhadidi. “Prevalence and Configuration of the Second Mesiobuccal Canal in the Permanent Maxillary First Molar in Jordanian Population Sample”. Iranian Endodontic Journal, vol. 15, no. 4, Oct. 2020, pp. 217-20, doi:10.22037/iej.v15i4.27692.