Fig. 4From: Diagnostic accuracy of a new fluoroenzyme immunoassay for the detection of TSH receptor autoantibodies in Graves’ diseaseInter-assay agreement between ELIA™ TRAb assay and TRAK™ Assay (a), and between ELIA™ TRAb assay and TSI™ Immulite (Bland–Altman plots)Back to article page