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. 2007 Nov 1;8(Suppl 7):S22. doi: 10.1186/1471-2105-8-S7-S22

Figure 2.

Figure 2

Principal Component Analysis (PCA) of expression profiles for control, 8% comfrey-fed, and 1 mg/kg riddelliine treated groups. The intensity of the entire gene set was used, and no specific cut off was applied.