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.
Representative tracings showing the effect of L-NAME (1 mM) plus α-chymotrypsin (1 U ml−1) on NANC relaxations induced by EFS (13 Hz, 120 mA, 1 ms, pulse trains of 2 min) of U46619 (0.1 μM)-precontracted longitudinal muscle strips of the rat gastric fundus.
