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. 2013 Jun 18;2013(6):CD002317. doi: 10.1002/14651858.CD002317.pub2
Date Event Description
12 March 2010 Amended Contact author's details updated.
6 November 2008 Amended Converted to new review format.
12 February 2008 Amended An updated search was run on 12/2/2008 but no new studies were identified.
26 February 2002 New citation required and conclusions have changed Substantive amendment