R. F. Waseem, K. I. Khan, M. . Khan, A. Moiz, N. Jehan, and H. . Zahir, “Comparative Evaluation of Postoperative Pain Following Single Visit and Two Visit Endodontic Therapy in Non-vital Teeth: Postoperative Pain in Non-vital Teeth”, PJHS, vol. 3, no. 06, pp. 145–149, Nov. 2022.