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Montero Pérez-Barquero M, Conthe Gutiérrez P, Román Sánchez P, García Alegría J, Forteza-Rey J; Grupo de Trabajo de Insuficiencia Cardiaca de Sociedad Española de Medicina Interna (estudio SEMI-IC).Montero Pérez-Barquero M, et al.Rev Clin Esp. 2010 Apr;210(4):149-58. doi: 10.1016/j.rce.2009.09.007. Epub 2010 Mar 12.Rev Clin Esp. 2010.PMID: 20227071Spanish.