Lee, Kachiu, and Martin Weinstock. “Prospective Quality of Life Impact of Actinic Keratoses: Observations from the Veterans Affairs Topical Tretinoin Chemoprevention Trial”. Acta Dermato-Venereologica, vol. 91, no. 1, Nov. 2010, pp. 101-2, doi:10.2340/00015555-0972.