1. World Health Organization Health Topics: Food Safety http://www.who.int/topics/food_safety/en
2. M. Satin Food Alert: The Ultimate Sourcebook for Food Safety 2nd ed Facts on File Inc New York
3. Canadian Food Inspection CFIA Working together to keep food safe http://www.inspection.gc.ca/english/fssa/concen/concene.shtml
4. World Health Organization About microbiological risk assessment (MRA) in food http://www.who.int/foodsafety/micro/about_mra/en/
5. ]Food and Agriculture Organization of the United Nations Food Safety Risk Analysis: A Guide for National Food Safety Authorities ftp://ftp.fao.org/docrep/fao/009/a0822e/a0822e00.pdf