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. 2018 Jul 2;119(2):200–212. doi: 10.1038/s41416-018-0162-2

Fig. 2.

Fig. 2

Principal component analysis using serum protein expression data of early-stage OPSCC versus controls (two or more unique peptides, ANOVA p value < 0.05). Early-stage tumour samples are marked with red and controls are marked with blue