Outcomes of Closed Versus Open Lateral Internal Anal Sphincterotomy for Chronic Anal Fissure: A Randomized Controlled Trial. J Fatima Jinnah Med Univ [Internet]. 2026 Aug. 25 [cited 2026 Aug. 25];20(2):72-7. Available from: http://jfjmu.com/index.php/ojs/article/view/1561