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.
(A – D) Representative PER2::LUC bioluminescence traces recorded from Clock+/+ and Clock−/− retinal and SCN explants. (E – H) Tissue specific effects of Clock gene knockout on rhythmic power and circadian period. ** = p<0.01, *** = p<0.001.
