because epidermal growth factor ( egf ) can modify cell proliferation in the gastrointestinal tract , effects of egf were studied on the development of colonic , rectal , and anal neoplasms in male mice treated with 1,2-dimethylhydrazine ( dmh ) ( 20 mg/kg/wk for 20 weeks ) .
C0596290
cell proliferation
C0242275
egf