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Monserrat L, Hermida M, Bouzas B, Mosquera I, Mahon N, Peteiro J, Alvarez N, Penas-Lado M, Crespo M, Castro-Beiras A.Monserrat L, et al.Rev Esp Cardiol. 2002 Jul;55(7):725-32. doi: 10.1016/s0300-8932(02)76691-8.Rev Esp Cardiol. 2002.PMID: 12113700Free article.Spanish.