No abstract available
MeSH terms
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Alberta
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Animals
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Cattle / microbiology*
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Cattle Diseases / microbiology
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Cephalosporin Resistance / genetics*
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Escherichia coli / drug effects*
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Escherichia coli / genetics*
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Escherichia coli / isolation & purification
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Escherichia coli Infections / microbiology
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Escherichia coli Infections / veterinary
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Escherichia coli Proteins / genetics
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Feces / microbiology
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Genetic Variation
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Polymerase Chain Reaction
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beta-Lactamases / genetics
Substances
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Escherichia coli Proteins
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beta-Lactamases