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Kew KM, Dias S, Cates CJ.Kew KM, et al. Among authors: cates cj.Cochrane Database Syst Rev. 2014 Mar 26;2014(3):CD010844. doi: 10.1002/14651858.CD010844.pub2.Cochrane Database Syst Rev. 2014.PMID: 24671923Free PMC article.Review.