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. 2019 Sep 6;12:2781–2788. doi: 10.2147/IDR.S211984

Figure 1.

Figure 1

UPGMA clustering of mass spectra of the established strains (VIM- and SPM-type MBL-producing P. aeruginosa). The VIM- and SPM-type MBL-PA isolates collected from Daping Hospital were identified as two cluster groups by the VITEK MS plus System, which means that there were some different peaks for each subspecies.