Othman, Dildar Abdullah, Ziwar Ahmed Saleh, and Raid Fahim Salman. “The Use of Platelet Rich Plasmain Combination of Guided Tissue Regeneration (chitosan) for Bone Defects: Homogeneity Analysis”. Erbil Dental Journal (EDJ) 5, no. 2 (December 30, 2022): 133–139. Accessed May 6, 2024. https://edj.hmu.edu.krd/index.php/journal/article/view/185.