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COX-1, COX-2, and iNOS transcript levels in colon mucosal scrapings from rats injected with saline or the carcinogen AOM and fed control or quercetin-containing diets. Bars represent least squares means ± SEM, n = 10 rats. *Tends to differ from the quercetin diet, P < 0.06. In panel C, means without a common letter differ, P < 0.0001.
