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Sheikh MAH, Tanmi FH, Hossain M, Abdin MJ. A 30 year old female with continuous dull pain following perforation during root canal treatment in lower left first molar tooth. Bangabandhu Sheikh Mujib Medical Univ J [Internet]. 2018 Sep. 2 [cited 2022 Aug. 15];11(3):256-60. Available from: https://banglajol.info/index.php/BSMMUJ/article/view/37607