Rizvi, S. M. H., M. B. Veierød, G. Mørk, P. Helsing, and P. Gjersvik. “Ablative Fractional Laser-Assisted Daylight Photodynamic Therapy for Actinic Keratoses of the Scalp and Forehead in Organ Transplant Recipients: A Pilot Study”. Acta Dermato-Venereologica, vol. 99, no. 11, Aug. 2019, pp. 1047-8, doi:10.2340/00015555-3274.