OSMAN RIAZ; NOREEN KOUSAR; MUHAMMAD SABIR; GHULAM MURTAZA; MUHAMMAD AHSAN; NAVEED AKHTAR. Comparative Study of Lateral Internal Sphinterotomy versus Anal Advancement Flap in the Treatment of Chronic Anal Fissure: A Randomized Controlled Trial. International Journal of Pharmacy Research & Technology (IJPRT), [S. l.], v. 16, n. 2, p. 3780–3786, 2026. Disponível em: https://www.ijprt.org/index.php/pub/article/view/2926. Acesso em: 30 aug. 2026.