Short-Term Outcomes Following Intrasphincteric Injection of Botulinum Toxin in Patients with Chronic Anal Fissure. J. Surg. Sci. [Internet]. 2026 Jul. 16 [cited 2026 Jul. 19];28(2):85-9. Available from: https://www.banglajol.info/index.php/JSS/article/view/91231