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Sánchez Sánchez ML, Ciriza de los Ríos C, Arroyo Vicente M, Ortega de Heredia D, Arroyo Ordóñez MJ, Rubio Pérez P.Sánchez Sánchez ML, et al. Among authors: arroyo vicente m.An Med Interna. 1993 Aug;10(8):377-80.An Med Interna. 1993.PMID: 8218781Spanish.