UYANIKOĞLU, Ahmet et al. Etiological factors of duodenal and gastric ulcers. Turkish Journal of Gastroenterology, [S. l.], v. 23, n. 2, p. 99–103, 2012. DOI: 10.4318/tjg.2012.0435. Disponível em: https://www.turkjgastroenterol.org/index.php/tjg/article/view/2037. Acesso em: 1 jan. 2026.