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Marcos García M, Pino Rivero V, Keituqwa Yáñez T, Alcaraz Fuentes M, Trinidad Ruiz G, Blasco Huelva A.Marcos García M, et al.Acta Otorrinolaringol Esp. 2003 Jun-Jul;54(6):470-3. doi: 10.1016/s0001-6519(03)78437-4.Acta Otorrinolaringol Esp. 2003.PMID: 14567082Free article.Spanish.