Interleukin-18, interleukin-20, and matrix metalloproteinases (MMP-1, MMP-3) as markers of psoriatic arthritis disease severity and their correlations with biomarkers of inflammation and turnover of joint cartilage - Waszczykowski, Michał; Bednarski, Igor; Narbutt, Joanna; Waszczykowska, Elżbieta; Lesiak, Aleksandra; Fabiś, Jarosław (Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, 2020)