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. 2012 Jul 11;2012(7):CD003645. doi: 10.1002/14651858.CD003645.pub3
Date Event Description
7 August 2008 New search has been performed Searches conducted. Two new studies have been included in this updated review.
14 February 2008 Amended Converted to new review format.
13 July 2006 Amended Plain language summary re‐written.
24 October 2004 New search has been performed Searches conducted.