title: Virtual colonoscopy to screen for colorectal cancer.
authors.forename: Gregory S
authors.initials: GS
authors.lastname: Thomas
mesh_terms: D000368:Aged; D023881:Colonography, Computed Tomographic / Q000009:adverse effects*; D015179:Colorectal Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D008403:Mass Screening; D008875:Middle Aged; D011829:Radiation Dosage