El Mansy, Maryam M., Mostafa Gheith, Abo M. El Yazeed, and Dina B. E. Farag. 2019. “Influence of Er, Cr: YSGG (2780 Nm) and Nanosecond Nd: YAG Laser (1064 Nm) Irradiation on Enamel Acid Resistance: Morphological and Elemental Analysis”. Open Access Macedonian Journal of Medical Sciences 7 (11):1828-33. https://doi.org/10.3889/oamjms.2019.359.