Dirschka, T., Ulrich, M., Reinhold, U., Dominicus, R., Aschoff, R. and Szeimies, R. (2019) “Photodynamic therapy with BF-200 ALA for the treatment of mild to severe actinic keratosis on extremities and trunk/neck: Results of a randomized Phase III trial”, SKIN The Journal of Cutaneous Medicine, 3, p. S47. doi: 10.25251/skin.3.supp.47.