SINGH, S.; SINGH, S. K.; AGGARWAL, R.; AGARWAL , S. An amelanotic melanoma of the rectum: report of a rare aggressive primary tumor. International Journal of Research in Medical Sciences, [S. l.], v. 11, n. 8, p. 3071–3073, 2023. DOI: 10.18203/2320-6012.ijrms20232450. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/12331. Acesso em: 12 oct. 2025.