Fig. 2From: Validation of an automated sample preparation module directly connected to LC-MS/MS (CLAM-LC-MS/MS system) and comparison with conventional immunoassays for quantitation of tacrolimus and cyclosporin A in a clinical settingBland-Altman plots to identify relative differences between CLAM-LC-MS/MS and immunoassays. a) Tacrolimus (n = 223). b) Cyclosporin A (n = 76). Mean differences are shown as solid lines and 95% confidence limits are shown as dashed linesBack to article page