Fig. 1.
a, b Simple radiographic images of a 31-year-old female showed a large osteochondral defect on the lateral femoral condyle of right knee
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.