Figure 1From: Increase in the rate of azithromycin-resistant Streptococcus pneumoniae isolates carrying the erm(B) and mef(A) genes in Taiwan, 2006–2010 A phylogenetic tree analysis based on pulsed-field gel electrophoresis profiles with Sma I among isolates of azithromycin-resistant Streptococcus pneumoniae carrying both erm(B)/mef(A) genes. Back to article page