“Relationship Between ABO Blood Groups and Rh Factor With COVID-19 in Nineveh Governorate”.
Iraqi Journal of Science 65, no. 11 (November 30, 2024): 6424–6434. Accessed June 28, 2025.
https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9555.