title: Fecal occult blood tests reduce colorectal cancer mortality.
authors.forename: Christopher W
authors.initials: CW
authors.lastname: Walker
mesh_terms: D015179:Colorectal Neoplasms / Q000097:blood / Q000401:mortality* / Q000517:prevention & control*; D006801:Humans; D009780:Occult Blood; D016032:Randomized Controlled Trials as Topic