title: Surveillance of the tumor-prone colon.
mesh_terms: D001466:Barium Sulfate; D003110:Colonic Neoplasms / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology / Q000235:genetics; D004733:Enema; D006801:Humans; D009780:Occult Blood; D011159:Population Surveillance; D012306:Risk
chemical_list: D001466:Barium Sulfate