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. 2021 Jun 30;11(7):429. doi: 10.3390/metabo11070429

Figure 1.

Figure 1

PCA score scatter plot (a) and PCA loading scatters plot (b) for the 1H NMR 1D-1H-CPMG spectra (Bruker 600 MHz) collected in the blood sera of 31 healthy female controls (0, red) and 30 female fibromyalgia patients (1, green).