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The inducible isoforms of nitric oxide synthase (iNOS) and cyclooxygenase (COX-2) are overexpressed in colonic tumors of humans, as well as in colon tumors that develop in rats after the(More)
The effect of three levels of piroxicam and three levels of D,L-alpha-difluoromethylornithine (DFMO) fed individually and in combination during the postinitiation phase of carcinogenesis was studied(More)