title: [Mass screening for colorectal cancer using occult blood studies. From theoretic efficacy to generalized practice].
authors.forename: G
authors.initials: G
authors.lastname: Launoy
authors.forename: C
authors.initials: C
authors.lastname: Herbert
mesh_terms: D000368:Aged; D015179:Colorectal Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000517:prevention & control*; D004812:Epidemiologic Methods; D006801:Humans; D008403:Mass Screening; D008875:Middle Aged; D009780:Occult Blood