Screening for colorectal cancer.
D000328:Adult; D003110:Colonic Neoplasms / Q000517:prevention & control*; D005243:Feces / Q000032:analysis; D006138:Guaiac; D006801:Humans; D008403:Mass Screening; D009780:Occult Blood; D012004:Rectal Neoplasms / Q000517:prevention & control*
D006138:Guaiac