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. 2022 May 18;12:8289. doi: 10.1038/s41598-022-12197-2

Figure 2.

Figure 2

(a) PCA and (b) PLS-DA scores plots of non-targeted LC–MS and LC–MS/MS data after preprocessing and normalization by EigenMS shows separation between IC/BPS patients (red) and healthy controls (grey) based on peptide profiles.