Salih, R., and A. Al-Hijazi. “Immunohistochemical Study of PDGF, IGF of Radiated Tooth Rat Embryo”. Journal of Baghdad College of Dentistry, Vol. 25, no. 1, 1, pp. 110-5, https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/148.