Samad, A., Khanzada, T. W. and Sushel, C. (2011) “COST EFFECTIVENESS OF TOPICAL GLYCERYL TRINITRATE VERSUS LATERAL INTERNAL SPHINCTEROTOMY FOR CHRONIC ANAL FISSURE”, Journal of Postgraduate Medical Institute, 21(1). Available at: https://www.jpmi.org.pk/index.php/jpmi/article/view/139 (Accessed: 3 May 2024).