N, Saif, Nawal Al Sabawi, and Maha Yahya. 1. “Evaluation of the Push-Out Bond Strength of Root Canal Obturation Materials Filled by Four Different Obturation Techniques”. Journal of Baghdad College of Dentistry 26 (2), 37-43. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/447.