OFFICE, Editorial. Unusual tumor: Primary gastric choriocarcinoma. Turkish Journal of Gastroenterology, [S. l.], v. 22, n. 4, p. 437–439, 2011. DOI: 10.4318/tjg.2011.0291. Disponível em: https://turkjgastroenterol.org/index.php/tjg/article/view/1958. Acesso em: 1 jan. 2026.