Siddique, Md. Ibrahim, Khandker Manzoor Murshed, and M.A. Majid. “Comparative Study of Lateral Internal Sphincterotomy Versus Local 0.2%glyceryl Trinitrate Ointment for the Treatment of Chronic Anal Fissure”. Bangladesh Medical Research Council Bulletin 34, no. 1 (September 16, 2008): 12–15. Accessed October 5, 2025. https://www.banglajol.info/index.php/BMRCB/article/view/1163.