Source

Eltayeb TM, Ghali RM, Elashiry SG Jr, Eldemerdash FH, Shaker IS, Gamal AY, Romanos GE. Erbium, Chromium:Yttrium-Scandium-Gallium-Garnet Laser for Root…

https://pubmed.ncbi.nlm.nih.gov/34115953/