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2. Foodborne salmonellosis;Baird-Parker;Lancet,1990
3. BROILACT®. Evaluation of efficacy in prevention of infection with a non-host specific strain of salmonella in broiler chickens;Cameron,1991
4. WHO surveillance programme for control of foodborne infections and intoxications in Europe,1990
5. The Microbiological Safety of Food;Her Majesty's Stationery Office,1990