The Heme-Occult Program in Northwest Ohio.
D000328:Adult; D003110:Colonic Neoplasms / Q000517:prevention & control; D006801:Humans; D007414:Intestinal Neoplasms / Q000175:diagnosis / Q000517:prevention & control*; D008875:Middle Aged; D009780:Occult Blood; D009820:Ohio; D012004:Rectal Neoplasms / Q000517:prevention & control; D012041:Regional Medical Programs / Q000458:organization & administration*