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.
Acquisition of WIN55,212-2 (WIN) self-administration in Long Evans (LE; left panel) and Lister Hooded (LH; right panel) intact and ovariectomized (OVX) female rats. Values are expressed as the number of active lever-presses (mean±s.e.mean) during each daily 2-h session. Each group included seven animals. ***P<0.001, **P<0.01 and *P<0.05 vs corresponding values for intact females.
