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. 2019 Jan 31;2019(1):CD009075. doi: 10.1002/14651858.CD009075.pub3
Date Event Description
3 December 2018 New citation required but conclusions have not changed New citation, nine new trials included to the nine trials of the first version, three new ongoing studies added and one study awaiting assessment
3 December 2018 New search has been performed Updated, update search 01.07.2018