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. 2018 Feb 1;11(2):869–875.

Figure 1.

Figure 1

PCA analysis of GC-MS metabolite profiles. A. PCA score plot for gastric epithelial and cancer cells (n = 10 for each group). The X-axis, PC [1], and Y-axis, PC [2], indicate the first and second principal components, respectively. B. 3-D score plot of the PCA analysis.