Alhijazi, Athraa Y, Basim M Khashman, Ban Abdul Ghani, and Eman Isaa. “Localization of Transforming Growth Factor-Beta Expression in the Peri-Implant Tissues of Dental Implants Coated With Placental Collagen”. Journal of Baghdad College of Dentistry 25, no. 2 (June 15, 2013): 66–69. Accessed May 2, 2025. https://www.jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/230.