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. 2005 Jan 24;2005(1):CD003292. doi: 10.1002/14651858.CD003292.pub2
Date Event Description
29 December 2010 New search has been performed Search strategies amended and updated. Text reviewed but conclusions unchanged. No new RCTs included.
9 October 2007 New search has been performed Searches were re‐run on 10 October 2007. No additional trials were identified.
11 July 2004 New citation required and conclusions have changed Substantive amendment