Kim, JW, JW Lee, YH Won, JH Kim, and SC. Lee. “Titanium, a Major Constituent of Blue Ink, Causes Resistance to Nd-YAG (1064 Nm) Laser: Results of Animal Experiments”. Acta Dermato-Venereologica 86, no. 2 (May 2, 2006): 110–113. Accessed August 14, 2024. https://medicaljournalssweden.se/actadv/article/view/8170.