Nokhbatolfoghahaie, Hanieh, et al. “Scanning Electron Microscope (SEM) Evaluation of Tooth Surface Irradiated by Different Parameters of Erbium: Yttrium Aluminium Garnet (Er:YAG) Laser”. Journal of Lasers in Medical Sciences, vol. 3, no. 2, May 2012, pp. 51-55, https://journals.sbmu.ac.ir/jlms/article/view/2831.