Fig. 12.
Averaged values of SigD for SHG (a) and TPEF (b) signals in young and old samples for the cardiac fiber tissue component. Error bars: standard error of the mean. The labels are the same as in previous figures.
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.