LIU, Yi; SHEN, Zhe; YU, Chaohui; LI, Youming. Uncurable duodenal bulb ulcer-may be duodenal bulb cancer. Turkish Journal of Gastroenterology, [S. l.], v. 25, n. 1, p. 297–298, 2014. DOI: 10.5152/tjg.2014.4027. Disponível em: https://turkjgastroenterol.org/index.php/tjg/article/view/2403. Acesso em: 1 jan. 2026.