Hoffmann, Jochen H.O., Christian Knoop, Knut Schäkel, Alexander H. Enk, and Eva N. Hadaschik. 2021. “Evaluation of Psoriasis Area and Severity Index As a Proxy for Bio­markers of Systemic Disease under Treatment With Tumour Necrosis Factor-Alpha and Interleukin 12 23 Antagonists in Patients With Psoriasis: A Retrospective Cohort Study of 186 Treatment Cycles”. Acta Dermato-Venereologica 101 (5):adv00462. https://doi.org/10.2340/00015555-3814.