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. 2014 May 22;9(5):e98557. doi: 10.1371/journal.pone.0098557

Figure 1. EGFR is over-expressed in SCCHN cell lines.

Figure 1

qRT-PCR was performed to measure ErbB transcript levels in the three SCCHN cell lines, normalized to that of the normal oral epithelial (NOE) cells. Expression fold change was determined by the 2−ΔΔCt method. ***p<0.001; student's t test.