Transumbilical laparoscopic treatment of Congenital Infantile Fibrosarcoma of the Ileum. La Pediatria Medica e Chirurgica, [S. l.], v. 36, n. 4, 2014. DOI: 10.4081/pmc.2014.93. Disponível em: https://www.pediatrmedchir.org/pmc/article/view/93. Acesso em: 18 jun. 2025.