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.
Behavioral responses to odors learned at Days 6,12, and 20. Conditioned pups demonstrated a significant avoidance of the learned odor at all ages. Number of pups/group is shown inset in each bar. Asterisks represent significant differences from age-matched control groups,p < 0.05.
