Abbas, Ahmed, Salwan Bede, and Shefaa Alnumay. “Evaluation of the Effectiveness of Using Platelet Rich Fibrin (PRF) As a Sole Grafting Material and Membrane in Augmentation of Dehiscence and Fenestration Defects Encountered During Dental Implant Surgery”. Journal of Baghdad College of Dentistry 31, no. 2 (June 15, 2019): 44-51. Accessed November 19, 2019. http://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/2623.