Kamran Liaqat, Rabail Rana, Saima Rasheed, Ayesha Rehman 2023. Comparison of Botulinum Toxin Injection and Botulinum Toxin Injection with Glyceryl Trinitrate for Treatment of Chronic Anal Fissure. Pakistan Journal of Medical & Health Sciences. 17, 03 (May 2023), 506. DOI:https://doi.org/10.53350/pjmhs2023173506.