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. 2013 Aug 28;2013(8):CD005487. doi: 10.1002/14651858.CD005487.pub3
Date Event Description
15 February 2010 Amended

  1. Abstract conclusion re‐worded to reflect the points made in the conclusion of the review.

  2. Risk of bias graph and risk of bias summary figures added to review
1 September 2008 Amended Converted to new review format