GÜLŞEN, Mustafa et al. Prevelance of Helicobacter pylori in dyspeptic patients. Turkish Journal of Gastroenterology, [S. l.], v. 8, n. 1, p. 66–70, 1997. Disponível em: https://turkjgastroenterol.org/index.php/tjg/article/view/755. Acesso em: 1 jan. 2026.