Neha Bansal, Himanshu Mehta, Tushar Rathor, and Nalini Trivedi. “Rare Occurrence of Single Rooted Mandibular Left First and Third Permanent Mandibular Molar: A Case Report ”. International Healthcare Research Journal, Vol. 3, no. 6, Sept. 2019, pp. 198-00, doi:10.26440/IHRJ/0306.09290.