Waseem RF, Khan KI, Khan M, Moiz A, Jehan N, Zahir H. Comparative Evaluation of Postoperative Pain Following Single Visit and Two Visit Endodontic Therapy in Non-vital Teeth: Postoperative Pain in Non-vital Teeth. PJHS-Lahore [Internet]. 2022 Nov. 30 [cited 2024 Dec. 22];3(06):145-9. Available from: https://thejas.com.pk/index.php/pjhs/article/view/313