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. 2014 Mar 6;9(3):e90935. doi: 10.1371/journal.pone.0090935

Figure 1. Evolution of clonal complexes of 6C invasive pneumococcal strains according to penicillin (A) or erythromycin (B) susceptibility, during the three study periods (2002–2011).

Figure 1

Related groups including STs with at least 5/7 identical alleles (as presented in Table 4) are indicated in brackets.