No abstract available
MeSH terms
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Animals
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Animals, Newborn / microbiology*
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Cattle
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Cattle Diseases / etiology
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Cattle Diseases / microbiology*
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Dysentery / etiology
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Dysentery / microbiology
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Dysentery / veterinary*
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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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Feces / microbiology
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Germ-Free Life*
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Intestinal Mucosa / microbiology
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Intestines / microbiology