1. The PHLS case control study on Escherichia coli O157 infection in England;Adak;Supplement to Scottish Centre for Infection and Environmental Health Weekly Report,2000
2. Outbreak of Escherichia coli O157 in a nursery: lessons for prevention;Al-Jader;Archives of Disease in Childhood,1999
3. STEC isolated from humans, cattle and minced meat;Andlovic;IVC News 7. Notiziario dell'Istituto Superiore di Sanita`,1997
4. Anon. 1999a ProMED post, October 16, 1999. E. coli , VTEC, cattle, petting zoo - Canada, Ontario, 03 http://www.promedmail.org
5. Anon. 1999b ProMED post, July 9, 1999. E. coli , VTEC, open farm - UK, Wales, 02 http:///www.promedmail.org