G. S. R., H.; SOMANGURTHY, P. Comparative study of manual anal dilatation and lateral internal anal sphincterotomy in the treatment of acute anal fissure. International Surgery Journal, [S. l.], v. 6, n. 6, p. 2022–2027, 2019. DOI: 10.18203/2349-2902.isj20192359. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/4471. Acesso em: 10 nov. 2025.