Partha Pratim Mandal, Shivaji Mandal, and Debayan Chowdhury. “A Comparative Study of the Outcome of Unilateral Versus Bilateral Internal Anal Sphincterotomy in Treatment of Chronic Anal Fissure”. Asian Journal of Medical Sciences 15, no. 9 (August 6, 2024): 188–192. Accessed September 6, 2024. https://nepjol.info/index.php/AJMS/article/view/65960.