TRIPATHI, N.; CHAVAN, S.; BENDRE, M.; SHARMA, V. Comparative study of MRI fistulogram and X-ray fistulography with operative findings: in fistula in ano. International Surgery Journal, [S. l.], v. 6, n. 5, p. 1704–1709, 2019. DOI: 10.18203/2349-2902.isj20191894. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/4335. Acesso em: 7 jan. 2026.