Aslam A, Malik MJ, Sundas M, Khawaja FG, Nasir A ud din, Abbas S. Comparative Study of Lateral Anal Sphincterotomy Versus Botulinum Toxin Injection for Treatment of Chronic Anal Fissure. Pak Armed Forces Med J [Internet]. 2025 Jun. 30 [cited 2025 Aug. 27];75(3):468-72. Available from: https://pafmj.org/PAFMJ/article/view/9775