title: The natural history of colorectal polyps and masses: rediscovered truths from the barium enema era.
authors.affiliation: Department of Radiology, University of Wisconsin Medical School, E3/311 Clinical Science Center, 600 Highland Ave., Madison, WI 53792-3252, USA.
authors.forename: Perry J
authors.initials: PJ
authors.lastname: Pickhardt
mesh_terms: D001466:Barium Sulfate / Q000266:history*; D003108:Colonic Diseases / Q000175:diagnosis / Q000266:history; D003111:Colonic Polyps / Q000000981:diagnostic imaging* / Q000266:history*; D003287:Contrast Media / Q000266:history; D004733:Enema / Q000266:history*; D019317:Evidence-Based Medicine; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007417:Intestinal Polyps / Q000000981:diagnostic imaging* / Q000266:history*; D011859:Radiography
chemical_list: D003287:Contrast Media; D001466:Barium Sulfate