SHUKLA, A.; BRAHMANE, A.; S., Y. H.; P., K. A comparison of lateral internal sphincterotomy versus subcutaneous fissurectomy under local anaesthesia with 2% diltiazem gel in the management of chronic fissure in ano: prospective study. International Surgery Journal, [S. l.], v. 9, n. 7, p. 1299–1304, 2022. DOI: 10.18203/2349-2902.isj20221581. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/8861. Acesso em: 20 feb. 2026.