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del Río ML, Gutiérrez-Martín CB, Rodríguez-Barbosa JI, Navas J, Rodríguez-Ferri EF.del Río ML, et al.FEMS Immunol Med Microbiol. 2005 Jul 1;45(1):75-86. doi: 10.1016/j.femsim.2005.02.008. Epub 2005 Mar 11.FEMS Immunol Med Microbiol. 2005.PMID: 15985226Free article.