Razmi H, Shokouhinejad N, Hooshyar M. An In Vitro Study of the Number of Distal Roots and Canals in mandibular First Molars in Iranian Population. Iran Endod J [Internet]. 2008 Sep. 20 [cited 2024 Apr. 23];3(1):126-30. Available from: https://journals.sbmu.ac.ir/iej/article/view/33