El Mansy, M.M., Gheith, M., El Yazeed, A.M. and Farag, D.B.E. 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 (Jun. 2019), 1828–1833. DOI:https://doi.org/10.3889/oamjms.2019.359.