Figure 1.

Changes in population structure over time in dual mef(E)/erm(B)-positive, mef(E)-positive, and erm(B)-positive S. pneumoniae clinical isolates. No isolates positive for mef(E) or erm(B) genes were collected in 2001-2002. ST, sequence type; NF, sequence type not found; NT, not typed

Bowers et al. BMC Microbiology 2012 12:12   doi:10.1186/1471-2180-12-12
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