title: Sigmoidoscopy screening for colorectal cancer.
authors.forename: Thomas F
authors.initials: TF
authors.lastname: Imperiale
mesh_terms: D015179:Colorectal Neoplasms / Q000175:diagnosis* / Q000517:prevention & control; D006801:Humans; D008403:Mass Screening; D008875:Middle Aged; D009664:Norway; D016032:Randomized Controlled Trials as Topic; D012812:Sigmoidoscopy