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. 2016 Feb 26;14:106–116. doi: 10.1016/j.csbj.2016.02.003

Fig. 2.

Fig. 2

OPLS-DA model (R2CUM 0.976, Q2CUM 0.671, 6 components) of control (n = 17) compared to SDB (n = 19) brain samples based on 755 metabolites from positive and negative ion modes.