title: Colorectal cancer and the effect of flexible sigmoidoscopy screening--reply.
authors.affiliation: Institute of Health and Society, University of Oslo, Oslo, Norway.
authors.forename: Øyvind
authors.initials: Ø
authors.lastname: Holme
authors.affiliation: Institute of Health and Society, University of Oslo, Oslo, Norway.
authors.forename: Magnus
authors.initials: M
authors.lastname: Loberg
authors.affiliation: Institute of Health and Society, University of Oslo, Oslo, Norway.
authors.forename: Mette
authors.initials: M
authors.lastname: Kalager
mesh_terms: D015179:Colorectal Neoplasms / Q000453:epidemiology*; D055088:Early Detection of Cancer; D005260:Female; D006801:Humans; D008297:Male; D012812:Sigmoidoscopy