title: Screening for colorectal cancer using ct colonography: facing the challenges.
authors.forename: D
authors.initials: D
authors.lastname: Bielen
mesh_terms: D023881:Colonography, Computed Tomographic / Q000379:methods*; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans