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. 2020 Jan 24;19(3):2231–2242. doi: 10.3892/ol.2020.11350

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Copyright: © Wang et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 1. — TIC chromatograms of metabolites in the sera of four representative patients with gastric cancer in the training group. (A) TIC profiles of chemo-sensitive in the positive ion mode; (B) TIC profiles of chemo-resistant in the positive ion mode. (C) TIC profiles of chemo-sensitive in the negative ion mode; (D) TIC profiles of chemo-resistant in the negative ion mode. Red arrows indicate metabolites subsequently identified as having different abundances in the two groups. TIC, total ion current.