1.
MOHAMMAD ZAHID HASAN ASKRI AN. Botulinum Toxin Injection Versus Lateral Internal Sphincterotomy for Chronic Anal Fissure: A Randomized Trial. J Fatima Jinnah Med Univ. 2018;8(2). Accessed October 2, 2026. https://www.jfjmu.com/index.php/ojs/article/view/404