Abbasi, Mahdi, Zohreh Moradi, Mansoureh Mirzaei, Mohammad Javad Kharazi Fard, and Samaneh Rezaei. “Polymerization Shrinkage of Five Bulk-Fill Composite Resins in Comparison With a Conventional Composite Resin”. Journal of Dentistry of Tehran University of Medical Sciences 15, no. 6 (November 28, 2018): 355-364. Accessed January 19, 2019. http://jdt.tums.ac.ir/index.php/jdt/article/view/2637.