title: Screening for colorectal cancer and suspected lower gastrointestinal bleeding.
authors.affiliation: McMaster University Medical Center, Hamilton, Ontario, Canada.
authors.forename: G
authors.initials: G
authors.lastname: Stevenson
mesh_terms: D018256:Adenomatous Polyps / Q000175:diagnosis / Q000000981:diagnostic imaging; D000368:Aged; D001466:Barium Sulfate / Q000008:administration & dosage; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000517:prevention & control; D003111:Colonic Polyps / Q000175:diagnosis / Q000000981:diagnostic imaging; D003113:Colonoscopy; D003287:Contrast Media / Q000008:administration & dosage; D004733:Enema; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000517:prevention & control; D006801:Humans; D008403:Mass Screening; D008875:Middle Aged; D011859:Radiography; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000517:prevention & control; D012812:Sigmoidoscopy; D006113:United Kingdom; D014481:United States
chemical_list: D003287:Contrast Media; D001466:Barium Sulfate