Kamran Liaqat, Rabail Rana, Saima Rasheed, Ayesha Rehman. Comparison of Botulinum Toxin Injection and Botulinum Toxin Injection with Glyceryl Trinitrate for Treatment of Chronic Anal Fissure. Pakistan Journal of Medical & Health Sciences [Internet]. 2023 May 12 [cited 2024 Nov. 21];17(03):506. Available from: https://pjmhsonline.com/index.php/pjmhs/article/view/4639