No abstract available
MeSH terms
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Ampicillin / pharmacology
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Animals
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Animals, Domestic*
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Chickens
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Chloramphenicol / pharmacology
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Chlortetracycline / pharmacology
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England
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Furazolidone / pharmacology
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Neomycin / pharmacology
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Penicillin Resistance*
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Salmonella / drug effects*
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Salmonella Infections, Animal / drug therapy
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Salmonella typhimurium / drug effects
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Sheep
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Streptomycin / pharmacology
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Sulfonamides / pharmacology
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Swine
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Trimethoprim / pharmacology
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Wales
Substances
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Sulfonamides
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Furazolidone
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Chloramphenicol
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Ampicillin
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Trimethoprim
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Neomycin
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Chlortetracycline
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Streptomycin