Al-Azzawi, L. M., & Al-Ani, L. S. (2014). Immunohistochemical expression of p53 and PCNA proteins in oral lichen planus and oral dysplasia. Journal of Baghdad College of Dentistry, 26(1), 98-102. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/304