[1]
Regin Wiegell, S. et al. 2008. Cold Water and Pauses in Illumination Reduces Pain During Photodynamic Therapy: A Randomized Clinical Study. Acta Dermato-Venereologica. 89, 2 (Nov. 2008), 145–149. DOI:https://doi.org/10.2340/00015555-0568.