Histopathologic Prevalence of Subchondral Insufficiency Fracture of the

grant on behalf of all authors, an exclusive licence (or non exclusive for government employees) on a worldwide basis to the BMJ Publishing Group Ltd to permit this article (if accepted) to be published in ARD and any other BMJPGL products and sublicences such use and exploit all subsidiary rights, as set out in our licence. ARD Online First, published on May 25, 2007 as 10.1136/ard.2006.066878 Copyright Article author (or their employer) 2007. Produced by BMJ Publishing Group Ltd ( & EULAR) under licence