1. Abdul-Raouf, U.M., Beuchat, L.R. and Ammar, M.S. (1993) Survival and growth of Escherichia coli O157:H7 on salad vegetables. Appl. Environ. Microbiol., 59, 1999–2006.
2. Adams, M.R., Hartley, A.D. and Cox, J.L. (1989) Factors affecting the efficacy of washing procedures used in the production of prepared salads. Food Microbiol., 6, 69–77.
3. Andersson, Y. and de Jong, B. (1994) Again an outbreak originating from sprouts. Epid. Aktuellt, 17(6), 10.
4. Andrews, W.H., Wilson, C.R., Poelma, P.L., Romero, A. and Mislivec, P.B. (1979) Bacteriological survey of sixty health foods. Appl. Environ. Microbiol., 37, 559–66.
5. Andrews, W.H., Mislivec, P.B., Wilson, C.R., Bruce, V.R., Poelma, P.L., Gibson, R., Trucksess, M.W. and Young, K. (1982) Microbial hazards associated with bean sprouting. J. Assoc. Off. Anal. Chem., 65, 241–8.