title: Colonoscopy as best screening test not proven.
authors.affiliation: Board of Directors, Ontario Association of Gastroenterology, Markham, Ont.
authors.forename: Iain
authors.initials: I
authors.lastname: Murray
mesh_terms: D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000175:diagnosis; D006801:Humans; D008403:Mass Screening; D009780:Occult Blood