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Couce A, Briales A, Rodríguez-Rojas A, Costas C, Pascual A, Blázquez J.Couce A, et al. Among authors: briales a.Antimicrob Agents Chemother. 2012 May;56(5):2767-9. doi: 10.1128/AAC.06122-11. Epub 2012 Feb 27.Antimicrob Agents Chemother. 2012.PMID: 22371901Free PMC article.