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Salmonella control in poultry by 'competitive exclusion' or immunization |
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| Authors: | G C Mead † P A Barrow ‡ |
| Institution: | ?Agricultural and Food Research Council, Institute of Food Research—Bristol Laboratory, Langford, Bristol BS18 7DY;?Agricultural and Food Research Council, Institute for Animal Health—Houghton Laboratory, Houghton, Huntingdon, Cambs. PE17 2DA, U K |
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