Sarmamy, Hemn M., and Dara H. Saeed. “Biocompatibility of New Cement Based Capping Material prepared from Eggshell and Biopolymer (chitosan)”. Erbil Dental Journal (EDJ) 5, no. 1 (July 30, 2022): 109–119. Accessed September 26, 2022. https://edj.hmu.edu.krd/index.php/journal/article/view/167.