1. Tominaga S, Aoki K, Fujimoto I, Kurihara M. Cancer mortality and morbidity statistics: Japan and the world 1994. Tokyo: Japan Scientific Societies Press, 1994.
2. Schottenfeld D, Winawer SJ. Cancers of the large intestine. In: Schottenfeld D, Fraumeni JE Jr, eds. Cancer epidemiology and prevention. 2nd ed. New York: Oxford University Press, 1996:813–40.
3. Potter JD. Epidemiologic, environmental, and life-style issues in colorectal cancer. In: Young GP, Rozen P, Levin B, eds. Prevention and early detection of colorectal cancer. London: WB Saunders, 1996:23–43.
4. Mandel JS, Bond JH, Church TR,et al. Reducing mortality from colorectal cancer by screening for fecal occult blood. N Engl J Med 1993;328:1365–71.
5. Kronborg O, Fenger C, Olsen J, Jørgensen OD, Søndergaard O. Randomized study of screening for colorectal cancer with faecal-occult blood test. Lancet 1996;348:1467–71.