Hanke, C. W., L. Albrecht, L. K. Kyhl, T. Larrson, M. L. Oesterdal, and L. Spelman. “Efficacy and Safety of Ingenol Mebutate Gel in Field Treatment of Actinic Keratosis on Full Face, Balding Scalp, or Approximately 250 Cm2 on the Chest: A Phase III, Randomized, Controlled Trial”. SKIN The Journal of Cutaneous Medicine, vol. 2, no. S1, Feb. 2018, p. S46, doi:10.25251/skin.2.supp.46.