"Seroprevalence Of HBV,HCV and HIV Viruses among Blood Donors in Al- Mukalla – Hadhramout- Yemen" (2023) Hadhramout University Journal of Natural & Applied Sciences, 14(2). موجود في: https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/62 (تاريخ الوصول: 23 يوليو 2026).