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Freixa X, Bellera N, Ortiz-Pérez JT, Jiménez M, Paré C, Bosch X, De Caralt TM, Betriu A, Masotti M.Freixa X, et al.Eur Heart J. 2012 Jan;33(1):103-12. doi: 10.1093/eurheartj/ehr297. Epub 2011 Aug 16.Eur Heart J. 2012.PMID: 21846677Clinical Trial.