Prevalence and Risk Factors for Helicobacter pylori Infection among Gastrointestinal Patients in Dhamar City, Yemen. Sana’a University Journal of Applied Sciences and Technology, [S. l.], v. 3, n. 5, p. 1155–1163, 2025. DOI: 10.59628/jast.v3i5.1643. Disponível em: https://journals.su.edu.ye/index.php/jast/article/view/1643. Acesso em: 4 may. 2026.