title: Premalignant conditions of the gastrointestinal tract: a basis for selective screening programs.
authors: Second Department of Surgery, University Central Hospital, Helsinki, Finland.
authors: H J
authors: HJ
authors: Järvinen
mesh_terms: D000328:Adult; D000368:Aged; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000601:surgery; D006801:Humans; D008875:Middle Aged; D011230:Precancerous Conditions / Q000175:diagnosis / Q000401:mortality / Q000601:surgery