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Grimes DA, Lopez LM, Schulz KF, Van Vliet HA, Stanwood NL.Grimes DA, et al. Among authors: schulz kf.Cochrane Database Syst Rev. 2010 May 12;(5):CD003036. doi: 10.1002/14651858.CD003036.pub2.Cochrane Database Syst Rev. 2010.PMID: 20464722Updated.Review.