AKAR, Tarık. An interesting case of anal melanoma caused liver metastases due to misdiagnosed as hemorrhoids. Turkish Journal of Gastroenterology, [S. l.], v. 29, n. 5, p. 619–620, 2018. DOI: 10.5152/tjg.2018.18201. Disponível em: https://www.turkjgastroenterol.org/index.php/tjg/article/view/3309. Acesso em: 1 jan. 2026.