A. MOUSTAFA, L. Chemical Analysis of Gastric Juice in Duodenal Ulcer Patients Infected with Helicobacter Pylori. Rafidain Journal of Science, [S. l.], v. 17, n. 7, p. 45–51, 2006. DOI: 10.33899/rjs.2006.43657. Disponível em: https://jwups.uomosul.edu.iq/index.php/rsci/article/view/46418. Acesso em: 29 sep. 2025.