title: Evidence for toxicologic activity of ftorafur independent of conversion to 5-fluorouracil.
mesh_terms: D000818:Animals; D004064:Digestive System / Q000187:drug effects; D005472:Fluorouracil / Q000031:analogs & derivatives* / Q000378:metabolism; D006965:Hyperplasia; D007413:Intestinal Mucosa / Q000187:drug effects; D008297:Male; D051379:Mice; D005641:Tegafur / Q000378:metabolism / Q000633:toxicity*
chemical_list: D005641:Tegafur; D005472:Fluorouracil