Unbiased studies are needed before virtual colonoscopy can be dismissed.
Halligan
Steve
S
Department of Intestinal Imaging and Cancer Research UK Colorectal Cancer Unit, St Mark's Hospital, Northwick Park, Middlesex HA1 3UJ, UK. s.halligan@imperial.ac.uk
Atkin
Wendy
W
D002983:Clinical Competence; D023881:Colonography, Computed Tomographic; D015179:Colorectal Neoplasms / Q000175:diagnosis; D006801:Humans; D012680:Sensitivity and Specificity