Moustapha, A., and S. . Abbas. “Determination of Concentrations of Heavy Metals in Some Tattoo Inks Sold in Some Syrian Cities (Homs, Tartous, Yabroud, DeirAtiya and Nabek)”. Tishreen University Journal -Basic Sciences Series, vol. 40, no. 5, Nov. 2018, https://journal.tishreen.edu.sy/index.php/bassnc/article/view/4647.