1. 1. Codex Alimentarius Commission . (2003 ).Principles and Guidelines for the Conduct of Microbiological Risk Assesment (CAC/GL-30). Roma: Codex Alimentarius Commission. Available atftp://ftp.fao.org/codex/standard/en/CXG_030e.pdf.
2. 2. FAO/WHO . (2003 ).Hazard Characterisation for Pathogens in Food and Water (Microbiological Risk Assessment Series, No. 3). Roma: FAO/WHO. Available athttp://www.who.int/foodsafety/publications/micro/pathogen/en/.
3. 3. European Commission . (2003 ).Risk Assessment of Food Borne Bacterial Pathogens: Quantitative Methodology Relevant for Human Exposure Assessment. Brussels: European Commission. Available athttp://europa.eu.int/comm/food/fs/sc/ssc/out308_en.pdf.
4. Uncertainty