Seite, S, and D Moyal. “Prevention of Actinic Keratosis by a Very High UVB/UVA Daily Photoprotectant”. SKIN The Journal of Cutaneous Medicine 1, no. 3.1 (October 27, 2017): s118. Accessed July 3, 2024. https://jofskin.org/index.php/skin/article/view/166.