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.
More collagen II was observed in the cell and control groups, while more collagen I was observed in the blank group. All scale bars represent 200 µm.
