title: Screening for colorectal cancer.
authors.forename: H K
authors.initials: HK
authors.lastname: O'Neil
mesh_terms: D001466:Barium Sulfate; D003106:Colon / Q000000981:diagnostic imaging; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000175:diagnosis*; D004733:Enema; D006801:Humans; D011859:Radiography
chemical_list: D001466:Barium Sulfate