title: CT colonography: an overview.
authors.affiliation: Department of Radiology, Mayo Clinic and Mayo Foundation, 200 First Street SW, Rochester, MN 55905, USA.
authors.forename: C D
authors.initials: CD
authors.lastname: Johnson
mesh_terms: D023881:Colonography, Computed Tomographic; D015179:Colorectal Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans