Mahabub M, Rahman MM, Islam MT, Sultana S. A Comparison between the Results of Open versus Closed Lateral Internal Sphincterotomy in the Surgical Management of Chronic Anal Fissure. Birdem Med J [Internet]. 2018 Sep. 10 [cited 2024 Nov. 23];8(3):235-9. Available from: https://banglajol.info/index.php/BIRDEM/article/view/38130