Vohra, F., Andejani, A., Alamri, O., Alshehri, A., Al-Hamdan, R. S., Almohareb, T. and Abduljabbar, T. (2020) “Influence of electronic nicotine delivery systems (ENDS) in comparison to conventional cigarette on color stability of dental restorative materials”, Pakistan Journal of Medical Sciences, 36(5). doi: 10.12669/pjms.36.5.2303.