Fig. 4.
Correlation between phase retardation slope (x) and collagen orientation index (y) of rat skin. Regression: y = 0.92*x + 0.12, r2 = 0.725. p < 0.001.
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.