title: In re colon cancer screening.
authors.forename: D
authors.initials: D
authors.lastname: Friedel
mesh_terms: D000367:Age Factors; D000368:Aged; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000517:prevention & control; D006801:Humans; D008403:Mass Screening / Q000706:statistics & numerical data; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000517:prevention & control