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. 2015 Oct 2;10(10):e0139635. doi: 10.1371/journal.pone.0139635

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© 2015 Zhou et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 5 — (A) The 7 day group and the 14 day group; (B) The 21 day group and the 14 day group; (C) The 21 day group and the 7 day group. In OPLS-DA score plot, each data point represents one mouse brain sample, and the distance between points in the plot indicates the similarity between samples. a. ESI+, b. ESI-. X axis is PC1, y axis is PC2.