title: United States has recommended screening for colon cancer. Why has barium enema been suggested?
authors.forename: A H
authors.initials: AH
authors.lastname: Chapman
authors.forename: A
authors.initials: A
authors.lastname: Blakeborough
mesh_terms: D001466:Barium Sulfate; D003110:Colonic Neoplasms / Q000517:prevention & control*; D004733:Enema; D006801:Humans; D008403:Mass Screening
chemical_list: D001466:Barium Sulfate