Mutlaq ST, Al-azzawi RH. The Vital Role of Cytotoxic T Cells in Iraqi COVID-19 Patients and Vaccinated Individuals. Iraqi Journal of Science [Internet]. 2026 Feb. 28 [cited 2026 Apr. 14];67(2):657-65. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/13212