GOUDAR, B. V.; KALBURGI, E. B.; LAMANI, Y. P.; Y. C., V. G. Feasibility of local anaesthesia in lateral internal anal sphincterotomy for chronic anal fissure. International Surgery Journal, [S. l.], v. 5, n. 7, p. 2578–2581, 2018. DOI: 10.18203/2349-2902.isj20182777. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/3068. Acesso em: 20 feb. 2026.