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De Haro J, Acin F, Medina FJ, Lopez-Quintana A, March JR.De Haro J, et al.Clin Med Cardiol. 2008 Dec 23;3:1-7. doi: 10.4137/cmc.s1062.Clin Med Cardiol. 2008.PMID: 20508761Free PMC article.