Q-switched ruby laser in dermatologic therapy. Use and indications Michel S1, Hohenleutner U, Bäumler W, Landthaler M. Hautarzt. 1997 Jul

Fractional CO2-laser are as effective as Q-switched-ruby-laser Anna-Theresa Seitz, Sonja Grunewald, Justinus Wagner, Jan C. Simon and Uwe Paasch Journal of Cosmetic and Laser Therapy, 2014