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Rojas JI, Romano M, Ciapponi A, Patrucco L, Cristiano E.Rojas JI, et al. Among authors: ciapponi a.Cochrane Database Syst Rev. 2010 Jan 20;(1):CD006643. doi: 10.1002/14651858.CD006643.pub3.Cochrane Database Syst Rev. 2010.PMID: 20091602Review.