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. 2016 Jul 4;16:382. doi: 10.1186/s12885-016-2430-y

Fig. 2.

Fig. 2

Principal component analysis plot. Visualization of miRNA expression of tonsillar tumors and non-malignant tissues. HPV-positive tonsillar tumors (TT+); HPV-negative tonsillar tumors (TT-); non-malignant tonsillar tissue (NT)