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Moore ER, Anderson GC, Bergman N, Dowswell T.Moore ER, et al. Among authors: dowswell t.Cochrane Database Syst Rev. 2012 May 16;5(5):CD003519. doi: 10.1002/14651858.CD003519.pub3.Cochrane Database Syst Rev. 2012.PMID: 22592691Free PMC article.Updated.Review.