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2. Comparison of two modifications of bismuth sulphite agar for the isolation and growth of Salmonella typhi and Salmonella typhimurium;COOK;Journal of Pathology and Bacteriology,1952
3. The routine use of selective and enrichment media for the isolation of salmonellae;COOK;Monthly Bulletin of the Ministry of Health, Public Health Laboratory Service,1951
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5. The comparative studies on the isolation of ‘sub-lethally injured’ salmonellae in nine European laboratories;EDEL;Bulletin of World Health Organisation,1973