Fig. 2From: MALDI-TOF mass spectrometry for sub-typing of Streptococcus pneumoniaeA cluster dendrogram of serotype-organised MALDI-TOF mass spectrum data including only genotypes with ≥ 5 isolates. The isolate selection includes 61 isolates comprising 13 serotypes and nine global pneumococcal sequence clusters (GPSC). The inner metadata ring denotes GPSC and the outer ring serotypeBack to article page