Salih, Rasim, and Athraa Al-Hijazi. “Immunohistochemical Study of PDGF, IGF of Radiated Tooth Rat Embryo”. Journal of Baghdad College of Dentistry 25, no. 1 (1): 110-115. Accessed August 13, 2021. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/148.