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.
Cumulative time of the nocifensive response during phase 1 (0–10 min) and phase 2 (10–40 min) (b and d) in female (a and b) and male (c and d) Ddo +/+ and Ddo −/− mice. Number of mice for experimental groups: n = 10 (♀Ddo +/+), n = 10 (♀Ddo −/−), n = 10 (♂Ddo +/+), and n = 10 (♂Ddo −/−). ** P < 0.01.
