Abd Al-Salam Fawzi Altai, Ahmed, and Dunia Kamal Salim. “Detection Of Occult Hepatitis B Virus Infections In Surface Antigen Hbs Ag Negative Blood Donors In The Main Blood Bank In Nineveh –Iraq : English”. Samarra Journal of Pure and Applied Science 7, no. 1 (March 30, 2025): 135–144. Accessed October 31, 2025. https://www.sjpas.com/index.php/sjpas/article/view/877.