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Argüelles Salido E, García Merino F, Millán López A, Fernández Hurtado M, Borrero Fernández J.Argüelles Salido E, et al.Actas Urol Esp. 2005 Jul-Aug;29(7):685-92. doi: 10.1016/s0210-4806(05)73319-2.Actas Urol Esp. 2005.PMID: 16180319Spanish.