1. 1. World Health Organization, Health Report, 2006. Lyon: WHO Publications Press, 2006.
2. 2. Chronic Disease Prevention. Center for Disease Control, Annual Report (2006).
3. 3. W.C. Willett, M. J. Stampfer, B. A. Colditz, G. A. Rosner, and F. E. Speizer, Relation of meat, fat and fiber intake to the risk of colon cancer in a prospective study among women. N Engl J Med 323, 1664–1672 (1990).
4. 4. J. D. Potter and K. Steinmatz, Vegetables, fruits and phytoestrogens as preventive agents. IARC Sci Publ 139, 61–90 (1995).
5. 5. C. V. Rao and B. S. Reddy, NSAIDs and chemoprevention. Curr Cancer Drug Targets 4, 29–44 (2004).