Case Report: Leiomyosarcoma of the First Portion of the Duodenum . Annals of Medical Research, [S. l.], v. 3, n. 1, p. 0047–0049, 2021. Disponível em: http://annalsmedres.org/index.php/aomr/article/view/2459. Acesso em: 14 sep. 2025.