Hussein, Ghazwan Faisal, and Ali Hmood Al Saadi. 2024. “Role of Genetic Variants AGT rs699 and ACE2 rs2106809 in Increasing the Risk and Severity of COVID-19 Infection in Iraqi Patients”. Iraqi Journal of Science 65 (4): 1917-28. https://doi.org/10.24996/ijs.2024.65.4.12.