Ekelund, Mats, Lotus Mallbris, Susanne Qvitzau, and Berndt Stenberg. “A Higher Score on the Dermatology Life Quality Index, Being on Systemic Treatment and Having a Diagnosis of Psoriatic Arthritis Is Associated With Increased Costs in Patients With Plaque Psoriasis”. Acta Dermato-Venereologica 93, no. 6 (April 9, 2013): 684–688. Accessed July 17, 2024. https://medicaljournalssweden.se/actadv/article/view/7506.