[1]
Aminsobhani, M. et al. 2010. Retreatment of a 6-Canalled Mandibular First Molar with Four Mesial Canals: A Case Report. Iranian Endodontic Journal. 5, 3 (Oct. 2010), 138–140. DOI:https://doi.org/10.22037/iej.v5i3.1837.