title: Determining indications for primary colonoscopy: how can we predict the need for polypectomy?
authors.forename: D K
authors.initials: DK
authors.lastname: Rex
mesh_terms: D001466:Barium Sulfate; D003111:Colonic Polyps / Q000175:diagnosis* / Q000453:epidemiology / Q000601:surgery; D003113:Colonoscopy; D004733:Enema; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D008297:Male; D011029:Pneumoradiography; D011237:Predictive Value of Tests; D012007:Rectum; D012107:Research Design; D012307:Risk Factors; D015983:Selection Bias; D012812:Sigmoidoscopy
chemical_list: D001466:Barium Sulfate