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. 2018 Mar 13;13(3):e0194289. doi: 10.1371/journal.pone.0194289

Fig 2. Radar chart of average log-transformed intensities of selected feature peaks.

Fig 2

P1695, P2066, P2451, P2978, P3176, P3891, P4074, P4813, and P6550 represent the signal peaks at 1695, 2066, 2451, 2978, 3176, 3891, 4074, 4813, and 6550 m/z, respectively.