Determinants and Clinical Manifestations of Helicobacter pylori Infection among Gastrointestinal Patients in Dhamar, Yemen:  A Hospital-Based Cross-Sectional Study. مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا, [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: 21 سبتمبر. 2026.