An official website of the United States government
Here's how you know
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.
Values of thyroid peroxidase autoantibodies, in males and females, measured by the five automated methods. a Immulite 2000 XPi, b Maglumi 2000 Plus, c Kryptor Compact Plus, d Phadia 250, e Liaison XL. M males, F females