Goudar, B. V., Kalburgi, E. B., Lamani, Y. P., & Y. C., V. G. (2018). Feasibility of local anaesthesia in lateral internal anal sphincterotomy for chronic anal fissure. International Surgery Journal, 5(7), 2578–2581. https://doi.org/10.18203/2349-2902.isj20182777