IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-10-37363 Original Research Paper Study the efficacy of Intrasphincteric Botox injection and comparison with surgical sphincterotomy in chronic anal fissure. Shambhunath Agrawal Dr. Dr. T. K. Thusoo Dr. Dr. Hari S. Mahobia Dr. October 2021 10 10 01 02