Efficacy and Safety of Ingenol Mebutate in Patients With Actinic Keratosis on Face and Scalp: Subgroup Analysis of Two Vehicle-Controlled Trials According to Age (. J of Skin [Internet]. 2019 Mar. 11 [cited 2025 Jun. 8];3(2):168. Available from: https://skin.dermsquared.com/skin/article/view/525