S .Jasim, Nafea, and Shiema Abid- Jabber. “Evaluation of Efficiency the Commercial Influenza Vaccines Used in Iraq by ELISA Technique.”. Al-Qadisiyah Journal of Pure Science 22, no. 4 (May 24, 2018): 173 - 183. Accessed May 8, 2024. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/784.