1. An outbreak of Escherichia coli O157:H7 infections associated with leaf lettuce consumption;Ackers;J. Infect. Dis.,1998
2. Intestinal infection: trends in indigenous foodborne disease and deaths, England and Wales: 1992 to 2000;Adak;Gut,2002
3. Food Microbiology;Adams,2000
4. Campylobacter jejuni infections: update of emerging issues and trends;Allos;Clin. Infect. Dis.,2001
5. Anon, 2000a. Microbial pathogen data sheets. New Zealand Food Safety Authority, http://www.nzfsa.govt.nz/science-technology/data-sheets/ (accessed 28.10.04).