Carcinoma of unknown primary site (CUPS): case series. Journal of Carcinogenesis, [S. l.], v. 25, n. 1, p. 294–296, 2026. DOI: 10.64149/J.Carcinog.25.1.294-296. Disponível em: http://carcinogenesis.com/index.php/JOC/article/view/1874. Acesso em: 7 apr. 2026.