Persistence of advanced systemic pharmacological treatment of moderate-to-severe psoriasis among bio-naïve patients-A retrospective register-based cohort study in Finland and Sweden. - Tskhvarashvili G; Aher K; Sveide I; Katus U; Westerlund A; Hoti F; Wennerström C; Hassan F; Lee J; Hermanrud C; Johnsson I; Passey A; et al. (Journal of the European Academy of Dermatology and Venereology : JEADV, 2025)