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Arteaga-González I, López-Tomassetti E, Martín-Malagón A, Díaz-Luis H, Carrillo-Pallares A.Arteaga-González I, et al.Cir Esp. 2006 Mar;79(3):154-9. doi: 10.1016/s0009-739x(06)70842-9.Cir Esp. 2006.PMID: 16545281Free article.Spanish.