Periodic executive examinations. Comparison of sigmoidoscopy, electrocardiographic findings, and evaluation of follow-up on recommendations made.
D000367:Age Factors; D004562:Electrocardiography; D005500:Follow-Up Studies; D006801:Humans; D007417:Intestinal Polyps / Q000453:epidemiology*; D008875:Middle Aged; D009787:Occupational Medicine; D010808:Physical Examination; D012004:Rectal Neoplasms / Q000453:epidemiology*; D012812:Sigmoidoscopy