Mass screening for colorectal cancer.
D003110:Colonic Neoplasms / Q000191:economics / Q000453:epidemiology*; D003718:Denmark; D006801:Humans; D008403:Mass Screening; D009780:Occult Blood; D011379:Prognosis; D012004:Rectal Neoplasms / Q000191:economics / Q000453:epidemiology*