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Bi-plot showing (A) PC1 vs. PC2 and (B) PC1 vs. PC3 scores and loadings of the PCA model calculated on all groups of the liver GC-MS data matrix. Keys: Controls (CT, red), DSS-induced colitis (DS, green), Phytosterols-fed colitis mice (PD, blue), and Phytosterols-fed control group (PH, light blue).
