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. 2015 Feb 12;2015(2):CD008349. doi: 10.1002/14651858.CD008349.pub3
Date Event Description
27 August 2014 New citation required but conclusions have not changed The conclusions of the review have not changed.
27 August 2014 New search has been performed We updated the searches to November 2013. We have added 18 new studies, bringing the total number of included studies to 37, involving a total of 1019 participants. We have revised the review throughout.