| Date | Event | Description |
|---|---|---|
| 3 October 2013 | New search has been performed | We included eight new studies and used the updated method guidelines by the Cochrane Back Review Group (Furlan 2009). We assessed risk of bias using the 12 items recommended by the Back Group. |
| 3 October 2013 | New citation required but conclusions have not changed | The conclusions of this review have not changed as a result of this update. |
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.