URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://dx.doi.org/10.1136/bjsm.2004.012245DOI Link
http://bjsm.bmj.com/content/38/5/642.1.full10/20/2014Item is within a limited-access website
http://bjsm.bmj.com/content/38/5/642.1.full.pdf10/20/2014PDF ReaderItem is within a limited-access websiteItem is within a single large file