Kozinska, U., and J. Gras-Ozimek. “Use of Combined Picosecond 1064nm and Thulium Laser 1927nm in Melasma Treatment – Case Report”. Journal of Education, Health and Sport, vol. 12, no. 7, July 2022, pp. 927-32, doi:10.12775/JEHS.2022.12.07.093.