Khat Chewing and Lifestyle Risk Factors Associated with Helicobacter pylori Infection Among Adults with Dyspepsia in Sana’a, Yemen: A Cross-Sectional Study. Sana’a University Journal of Medicine and Health Sciences, [S. l.], v. 20, n. 1, p. 464–468, 2026. DOI: 10.59628/jchm.v20i1.2395. Disponível em: https://journals.su.edu.ye/index.php/jchm/article/view/2395. Acesso em: 13 apr. 2026.