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Sanz Mayayo E, Gómez García I, Fernández Fernández E, Perales Cabanas L, García Ortells D, García Navas R, Escudero Barrilero A.Sanz Mayayo E, et al. Among authors: perales cabanas l.Arch Esp Urol. 2003 Nov;56(9):989-97.Arch Esp Urol. 2003.PMID: 14674283Review.Spanish.