Figure 4.
Circadian period in hours of B6, C12A, and A/J strains of inbred mice. Error bars represent the SEM.
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.