Halskou Hesselvig, Jeanette, Alexander Egeberg, Nikolai Dyrberg Loft, Claus Zachariae, Kristian Kofoed, and Lone Skov. 2017. “Correlation Between Dermatology Life Quality Index and Psoriasis Area and Severity Index in Patients With Psoriasis Treated With Ustekinumab”. Acta Dermato-Venereologica 98 (3):335-39. https://doi.org/10.2340/00015555-2833.