title: Screening for occult fecal blood: results of an initial voluntary community screening campaign.
mesh_terms: D003110:Colonic Neoplasms / Q000453:epidemiology*; D005069:Evaluation Studies as Topic; D006801:Humans; D008403:Mass Screening; D009780:Occult Blood; D012004:Rectal Neoplasms / Q000453:epidemiology*; D014922:Wisconsin