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. Author manuscript; available in PMC: 2009 Oct 6.
Published in final edited form as: Int J Cancer. 2008 May;122(9):2154–2159. doi: 10.1002/ijc.23360

Figure 4. Comparison between COX-2 mRNA expression (real time quantitative PCR assay) and COX-2 immunohistochemisty (IHC) in sinonasal adenocarcinoma.

Figure 4

Real time quantitative PCR results are expressed as relative units, and IHC results as COX-2 index (percentage of COX-2 positive cells x intensity of COX-2 staining). The +/− sign in parentheses under the tumour codes mark the IHC classification as in Figures 3 and 4.