1. Abdul-Raouf, U.M., L.R. Beuchat, T. Zhao, et al. 1995. Growth and verotoxin I production by Escherichia coli O157:H7 in ground roasted beef. Int. J. Food Microbiol 23:79–88.
2. Ahmed, N.M., D.E. Conner, and D.L. Huffman. 1995. Heat-resistance of Escherichia coli O157:H7 in meat and poultry as affected by product composition. J. Food Sci. 60:606–610.
3. Ahmed, S., and M. Donaghy. 1998. An outbreak of Escherichia coli O157:H7 in central Scotland. In Escherichia coli O157.H7 and Other Shiga Toxin-Producing E. coli Strains, ed. J.B. Kaper and A.D. O’Brien, 59–65. Washington, DC: ASM Press.
4. Baudry, B., S.J. Savarino, P. Vial, et al. 1990. A sensitive and specific DNA probe to identify enteroag-gregative Escherichia coli, a recently discovered diarrheal pathogen. J. Infect. Dis. 161:1249–1251.
5. Benjamin, M.M., and A.R. Datta. 1995. Acid tolerance of enterohemorrhagic Escherichia coli. Appl. Environ. Microbiol. 61:1669–1672.