in mice with a low susceptibility to dimethylhydrazine-induced colon carcinogenesis ( c57bl/ha ) , concentrations of 7-methylguanine and o6-methylguanine in dna of colon , ileum , and kidney were 40 to 60 % less than in mice with a high incidence of colonic tumors ( icr/ha ) .
C0009368
colon
C0009375
colonic tumors