1. International Agency for Research on Cancer (IARC). Cancer incidence, mortality and prevalence worldwide, version 1.0, IARC Cancer Base No. 5. Lyon: IARC Press; 2001.
2. Statistics and Information Department, Minister’s Secretariat, Ministry of Health, Labour and Welfare. Vital statistics of Japan 2003. Tokyo: Health and Welfare Statistics Association; 2004.
3. World Cancer Research Fund, American Institute for Cancer Research. Food, nutrition and the prevention of cancer: A global perspective. Washington (DC): American Institute for Cancer Research; 1997.
4. Prospective study of alcohol consumption and cancer;Pollack;N Engl J Med,1984
5. Dietary vitamin D and calcium and risk of colorectal cancer: a 19-year prospective study in men;Garland;Lancet,1985