Kachavi, S.H., Mali, P.S. and Manjunath, M.B. 2022. Comparative study between closed vs open lateral internal sphincterotomy in treatment of chronic anal fissure. International journal of health sciences. 6, S1 (Apr. 2022), 6036–6042. DOI:https://doi.org/10.53730/ijhs.v6nS1.6293.