Fig. 2From: Definition of the upper reference limit for thyroglobulin antibodies according to the National Academy of Clinical Biochemistry guidelines: comparison of eleven different automated methodsPassing-Bablok regression of TgAb methods. ARC was chosen as the reference method on the x axis. ARC vs AIA and ARC vs CL2 showed the best relationship in terms of slope and intercept. AIA AIA-2000, Tosoh Bioscience, ARC Architect, Abbott Diagnostics, CL2 AIA CL-2400, Tosoh BioscienceBack to article page