Screening for colorectal cancer.
D000328:Adult; D003110:Colonic Neoplasms / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D009780:Occult Blood; D012004:Rectal Neoplasms / Q000517:prevention & control*; D012812:Sigmoidoscopy