Effects of cryogen spray cooling and high radiant exposures on selective vascular injury during laser irradiation of human skin.
Tunnell JW, Chang DW, Johnston C, Torres JH, Patrick CW, Miller MJ, Thomsen SL, Anvari B. Effects of cryogen spray cooling and high radiant exposures on selective vascular injury during laser irradiation of human skin. Arch Dermatol. 2003 Jun; 139(6):743-50.