AlTarawneh, Sandra, 		Abu-Awwad, Motasum, 		Riyal, Salah, 		Samara, Rania, AND 		Hattar, Susan.
" A multi-center retrospective assessment  of monolithic zirconia restorations on  posterior teeth and implants." <em>Journal of Oral Research</em> [Online], Volume 8 Number 4 (31 August 2019)