PMC9829015_01
IgA serum levels (panel A) and erythrocyte sedimentation rate (panel B). Arrows denote infliximab (300 mg) injection
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f1-3664-1-31516-1-10-20221201
IgA serum levels dropped to 260 mg/dl, with complete normalization of CRP (<0.5 mg/dl) and ESR (4 mm/h) (Fig. 1).