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. 2016 Jul 21;6:30098. doi: 10.1038/srep30098

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Inset in each subfigure is to show the values of P₁, P₂ and P₃. The background of inset is white color when P₁ > P₂ > P₃; the background of inset is light red color when P₁ > P₃ ≥ P₂. Otherwise, the background of inset for Metabolic is gray color.