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2. Microbiological Risk Assessment Series 2: Risk Assessments of Salmonella in Eggs and Broiler Chickens;[FAO/WHO] Food and Agriculture Organization of the United Nations/World Health Organization,2002
3. Assuring food safety and quality: guidelines for strengthening national food control systems;[FAO/WHO] Food and Agriculture Organization of the United Nations/World Health Organization,2003
4. Eating outdoors — handling food safely;[FDA] Food and Drug Administration,2007