Strategic decisions in colorectal cancer screening.
Northover
J
J
Imperial Cancer Research Fund's Colorectal Cancer Unit, St Mark's Hospital, Harrow, UK.
D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000517:prevention & control*; D005060:Europe; D005858:Germany; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D009780:Occult Blood; D012812:Sigmoidoscopy; D014481:United States