title: Proliferative changes in the colon.
mesh_terms: D000818:Animals; D002455:Cell Division / Q000187:drug effects; D003106:Colon / Q000378:metabolism*; D003110:Colonic Neoplasms / Q000150:complications / Q000378:metabolism*; D004247:DNA / Q000378:metabolism; D004847:Epithelial Cells; D004848:Epithelium / Q000187:drug effects / Q000201:enzymology / Q000378:metabolism*; D006130:Growth Disorders / Q000139:chemically induced / Q000150:complications; D006801:Humans; D006834:Hydrazines / Q000494:pharmacology; D051379:Mice; D011127:Polyps / Q000150:complications / Q000378:metabolism*; D013936:Thymidine / Q000378:metabolism
chemical_list: D006834:Hydrazines; D004247:DNA; D013936:Thymidine