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Multivariate statistical analysis of metabolic profiles from UPLC-QTOF-MS/MS. A: PCA score scatter plots obtained from all different groups. B: PCA score scatter plots obtained from six TCM treatment groups. C: OPLS-DA scores scatter plot of the control and model group. D: Plots for 999-time permutation validation test for OPLS-DA models corresponded to the control and model group.
