Nichols Benjamin J, Carpenter Janette, Hribar Kambridge P, Go John, Rice Dale H
Department of Dermatology, Keck School of Medicine, University of Southern California, Los Angeles, California 94123, USA.
Dermatol Surg. 2011 Mar;37(3):381-6. doi: 10.1111/j.1524-4725.2011.01892.x. Epub 2011 Feb 25.