H. U. Rehman and M. Pervez, “COMPARISON OF LATERAL INTERNAL SPHINCTEROTOMY WITH 0.2% GLYCERYL TRINITRATE IN THE MANAGEMENT OF CHRONIC ANAL FISSURE”, Pak Armed Forces Med J, vol. 61, no. 1, Mar. 2011, Accessed: Aug. 29, 2025. [Online]. Available: https://pafmj.org/PAFMJ/article/view/1989