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Calatayud L, Ardanuy C, Cercenado E, Fenoll A, Bouza E, Pallares R, Martín R, Liñares J. Serotypes, Clones, and Mechanisms of Resistance of Erythromycin-Resistant Streptococcus pneumoniae Isolates Collected in Spain. Antimicrob Agents Chemother. 2007 Sep;51(9):3240–6. doi: 10.1128/aac.00157-07. |