Zahra, Farogh, Abdul Majid, Muhammad Waheed, and Shabbir Chohan. “Lateral Internal Sphincterotomy V/S Anal Dilatation”. Annals of King Edward Medical University 10, no. 1 (May 5, 2016). Accessed September 27, 2023. https://annalskemu.org/journal/index.php/annals/article/view/1149.