Imran, N. . K., Ali, B. . G., & Jassim, D. Q. (2014). Quantitative detection and correlation of Epstein - Barr Virus in plasma with gingivitis and severity of chronic periodontitis by using real-time polymerase chain reaction technique. Journal of Baghdad College of Dentistry, 26(4), 133-140. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/604