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. Author manuscript; available in PMC: 2012 Aug 10.
Published in final edited form as: Cancer Prev Res (Phila). 2009 Mar 3;2(3):274–280. doi: 10.1158/1940-6207.CAPR-08-0180

Table 1.

Expression of RAR-β2 mRNA associated with the low levels of COX-2 in esophageal squamous cell carcinoma tissue specimens

RAR-β2 COX-2 P*
High† Low
High 1 13
Low 12 5 0.0004
*

From two-sided Fisher's exact test.

†

High or low expression was compared with the mRNA levels from each other.