title: Screening for colorectal cancer.
mesh_terms: D003110:Colonic Neoplasms / Q000517:prevention & control*; D006801:Humans; D007417:Intestinal Polyps / Q000517:prevention & control; D009780:Occult Blood; D012004:Rectal Neoplasms / Q000517:prevention & control*; D012812:Sigmoidoscopy