OFFICE, Editorial. Letter to the editor: A case report of primary retroperitoneal hydatid cyst. Turkish Journal of Gastroenterology, [S. l.], v. 15, n. 3, p. 204–205, 2004. Disponível em: https://turkjgastroenterol.org/index.php/tjg/article/view/1382. Acesso em: 1 jan. 2026.