Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison between the SPR and ELISA methods. Passing–Bablok regression depicted by the solid blue line and 95% confidence interval (CI) for the regression represented by the dashed orange lines. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
