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. 2018 Nov 16;11:418. doi: 10.3389/fnmol.2018.00418

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Copyright © 2018 Zieminska, Toczylowska, Diamandakis, Hilgier, Filipkowski, Polowy, Orzel, Gorka and Lazarewicz.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The score plots of the two-component OPLS-DA model for NMR data for VPA and THAL vs. control group; t_o[1] represents variation within class for the first orthogonal component, whereas t[1] represents variation between classes for the first predictive component. Ellipse represents Hotelling T2 with 95% confidence. Lower graphs are the score contribution of differences of VPA vs. control and THAL vs. control. Black is assigned to compounds with VIP > 1. Positive value means greater concentration than control and negative means lower.