URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://dx.doi.org/10.1097/SS.0b013e31820e5e39DOI Link
http://vnweb.hwwilsonweb.com/hww/results/external_[...]06/30/2011PDF ReaderItem is within a limited-access website
http://vnweb.hwwilsonweb.com/hww/results/getResult[...]06/30/2011Item is within a limited-access website