Dr. G.Venkata Naidu, Dr. Rameswari Prabhu, Dr. R. Sasidhar 2024. Comparative Study of Post-Operative Pain Score in Open Sphincterotomy and Closed Sphincterotomy For Anal Fissure. International Journal of Pharmacy Research & Technology (IJPRT). 14, 2 (Jun. 2024), 154–159.