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. 2020 Jan 31;25(3):630. doi: 10.3390/molecules25030630

Figure 4.

Figure 4

Principal component analysis (PCA) (left panels) and partial least square discriminant analysis (PLS-DA) (right panels) in a two-dimensional score plot of the relative abundance of ceramide species determined by RPLC-QTOF-MS in keratinocytes (A,B) and fibroblasts (C,D) of healthy subjects and patients with psoriasis vulgaris (Ps).