Studies relating to a fecal mutagen.
D003110:Colonic Neoplasms / Q000378:metabolism; D004032:Diet; D005243:Feces / Q000032:analysis*; D005260:Female; D006484:Hemorrhoids / Q000378:metabolism; D006801:Humans; D008297:Male; D009153:Mutagens / Q000032:analysis*
D009153:Mutagens