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Raheel Azhar, Aabya Salim, Raazia Ramzan, Areeba Mahmood, Saad Aslam, Sidra Riaz. A Comparative Study of Lateral Sphincterotomy Vs Topical Application of Glyceryl Trinitrate 0.2% in the Treatment of Chronic Anal Fissure an Observational Study. Pakistan Journal of Medical & Health Sciences [Internet]. 2023 Jan. 9 [cited 2024 Sep. 19];16(11):586. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/3478