[1]
Karrer, S. et al. 2021. Repetitive Daylight Photodynamic Therapy versus Cryosurgery for Prevention of Actinic Keratoses in Photodamaged Facial Skin: A Prospective, Randomized Controlled Multicentre Two-armed Study. Acta Dermato-Venereologica. 101, 1 (Jan. 2021), adv00355. DOI:https://doi.org/10.2340/00015555-3717.