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Individual IgM and IgG reactivities to A20, C20, G20 and T20 in sera from healthy participants (blue boxes), pemphigus vulgaris (PV) patients (green stars), scleroderma (SSc) patients (black boxes), and systemic lupus erythematosus (SLE) patients (red circles). Participants were ordered from left to right according to their reactivity to dsDNA.
