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. 2021 Jun 10;2021(6):CD009517. doi: 10.1002/14651858.CD009517.pub4
Date Event Description
21 January 2015 New citation required and conclusions have changed Comparisons have been restructured and conclusions have changed
21 January 2015 New search has been performed 9 new studies have been included (Aleyamma 2013; Baum 2012; Gibreel 2015; Guven 2014; Karim Zadeh 2008; Polanski 2014; Safdarian 2011; Shohayeb 2012; Yeung 2014), along with full published versions of 2 studies (Inal 2012; Nastri 2013). We updated the search in January 2015 and categorised 1 study as awaiting classification (Hur 2012a)