The Frome experiment--value of screening for colorectal cancer.
D003110:Colonic Neoplasms / Q000517:prevention & control*; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D009780:Occult Blood; D011379:Prognosis; D011446:Prospective Studies; D012004:Rectal Neoplasms / Q000517:prevention & control*