title: Colorectal cancer: a mass screening and education program.
mesh_terms: D000328:Adult; D000368:Aged; D003110:Colonic Neoplasms / Q000453:epidemiology*; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000453:epidemiology; D006138:Guaiac; D006266:Health Education; D006801:Humans; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D010808:Physical Examination; D012004:Rectal Neoplasms / Q000453:epidemiology*; D012007:Rectum; D011795:Surveys and Questionnaires; D014838:Volunteers
chemical_list: D006138:Guaiac