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.
A. Hemoglobin-free plasma was used to determine total nitrate and nitrite levels (n = 8 per group). *p<0.05. B. Metaphosphoric acid (5%)-treated plasma was used to determine oxidized glutathione levels and GSH/GSSG ratio (n = 17 per group).
