Determinants and Clinical Manifestations of Helicobacter pylori Infection among Gastrointestinal Patients in Dhamar, Yemen:  A Hospital-Based Cross-Sectional Study. Sana’a University Journal of Applied Sciences and Technology, [S. l.], v. 4, n. 7, p. 2390–2397, 2026. DOI: 10.59628/jast.v4i7.2963. Disponível em: https://journals.su.edu.ye/index.php/jast/article/view/2963. Acesso em: 10 nov. 2026.