Sonam , Y., S. Satinderjit, and Jagminder K. Bajaj. “Role of Chemical Versus Surgical Sphincterotomy in Treatment of Fissure in Ano”. New Advances in Medicine and Medical Science Vol. 4 (May 29, 2023): 1–12. Accessed June 9, 2026. https://stm.bookpi.org/NAMMS-V4/article/view/10704.