S., V.; KULKARNI, S. B.; S. R., K. Topical diltiazem versus topical glyceryl trinitrate in the treatment of chronic anal fissure: a prospective comparative study. International Surgery Journal, [S. l.], v. 6, n. 4, p. 1127–1130, 2019. DOI: 10.18203/2349-2902.isj20191088. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/4114. Acesso em: 20 feb. 2026.