Fig. 1From: Serum IL-33, a new marker predicting response to rituximab in rheumatoid arthritisSerum IL-33 levels in patients from cohort 1, cohort 2, and the combined cohorts. Dosage performed with Quantikine ELISA IL-33 kit (R&D Systems). Each dot represents one patient; means are presented. IL interleukinBack to article page