Kumar D, Negi A, Kumar N, Pandey A. A prospective, randomize study of comparison of lateral internal sphincterotomy versus Lord’s anal dilatation in chronic anal fissure. Int Surg J [Internet]. 2018 Feb. 26 [cited 2025 Oct. 13];5(3):1026-30. Available from: https://www.ijsurgery.com/index.php/isj/article/view/2475