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.
Four different sets of n matched serum samples were prepared according to the indicated experimental conditions for blood collection (A, n = 4), processing (B and C, n = 4) and storage (D, n = 7).
