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.
Concentration-response curves for SNP-mediated relaxation (10−12 to 10−4 M), in mesenteric rings lacking functional endothelium, from elderly rats treated with inorganic nitrate for more than 12 months. Combined genders (A), females (B) and males (C). *p<0.05.
