7Freitag FM, Cestari TF, Leopoldo LR, et al. Effect of melasmaon quality of life in a sample of women living in southern brazil [ J ]. Jounal of EuroPean Academy of Dermatology and Venerology ,2008, 22(6) :655 -662.
8Suh KS,Sung JY,Roh HJ,et al. Efficacy of the 1064 - nm Q - switched Nd : AG laser in melasma[ J ]. J Dcrmatolog Treat,2011, 22(2) :233 -238.
9Anderson RR,Parrish JA. Selective photothermolysis : precise micro- surgery by selective absorption of pulsed radiation [ J]. Science, 1983,220(4596) :524 -527.