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.
Effect of systemic DAMGO (100 μg/kg) on sigh number (left) and amplitude (right) induced by 10% O2 (A) or 7% CO2 (B). Data are presented as means ± SE; n = 6. *P < 0.05, **P < 0.01 compared with before DAMGO. “0” on x-axis indicates onset of intravenous administration of DAMGO.
