Samad, A., Khanzada, T. W., & Sushel, C. (2011). COST EFFECTIVENESS OF TOPICAL GLYCERYL TRINITRATE VERSUS LATERAL INTERNAL SPHINCTEROTOMY FOR CHRONIC ANAL FISSURE. Journal of Postgraduate Medical Institute, 21(1). Retrieved from https://jpmi.org.pk/index.php/jpmi/article/view/139