| OA | Osteoarthritis |
| WHO | World Health Organization |
| AAOS | American Academy of Orthopaedic Surgeons |
| OARSI | OA Research Society International |
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.