1. The results of 1115 patients with colorectal cancer treated over an 8 year period in a single hospital. EurJ3SurgOncol 1985; 11: 119-23. scopy, possibly followed by a small bowel barium enema. Even then rare causes of blood;Stower, M.H.; Hardcastle, J.D.
2. Trends in cancer mortality and epidemiology;Miller, A.B.;Cancer,1983
3. Results of treatment of carcinoma of colon and loss, such as haemobilia, would be missed. It may be argued that having identified an asymptomatic subject with a positive faecal occult blood test, one has an obligation to investigate fully the gastrointestinal tract if the colorectum is normal. However, Haemoccult and the more recently developed immunological tests have been shown to be relatively poor indicators of upper gastrointestinal abnormalities.'4 'I This is probably a reflection of the rectum;Slaney, G.;Mod Trends Surg,1971
4. Screening and rescreening for colorectal cancer. A controlled trial of faecal occult blood testing in 27 700 subjects;Kewenter, J.; Bjork, S.; Haglind, E.; Smith, L.; Svanvik, J.; Ahren, C.;Cancer,1988
5. Initial mass screening for colorectal cancer with faecal occult blood test;Kronberg 0, Fenger C, Sondergaard 0,1987