An official website of the United States government
Here's how you know
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.
Quantitative evaluation of hyaline-like cartilage healing. The ratio of collagen type 2 staining area in healing area to the total healing area of osteochondral defects in 3-mm diameter defects (A) and 5-mm diameter defects (B).