Goyal, Roma, Jastinder Singh, Pardeep Mahajan, Prashant Monga, and Deepa Thaman. “Radix Entomolaris in Mandibular First Molar: An Endodontic Challenge”. Bangladesh Journal of Dental Research & Education 5, no. 2 (August 27, 2015): 66–69. Accessed December 6, 2021. https://banglajol.info/index.php/BJDRE/article/view/24720.