Association between Chewing Khat (Catha edulis) and Hematological Indices and Helicobacter pylori Infection and Blood Loss in the Gastrointestinal Tract of Yemeni Chewers. مجلة جامعة صنعاء للطب والعلوم الصحية, [S. l.], v. 18, n. 1, p. 21–26, 2024. DOI: 10.59628/jchm.v18i1.924. Disponível em: https://journals.su.edu.ye/index.php/jchm/article/view/924. Acesso em: 7 يونيو. 2026.