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. 2023 Feb 15;2023(2):CD011507. doi: 10.1002/14651858.CD011507.pub3
Date Event Description
14 February 2023 New search has been performed Search updated and four new studies identified, so total of seven studies included in this review update. Conclusions similar to previous version of the review. 
14 February 2023 New citation required but conclusions have not changed Conclusions remain unchanged.