No abstract available
MeSH terms
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Chloramphenicol / pharmacology*
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Chlortetracycline / pharmacology*
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Erythromycin / pharmacology*
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Oxytetracycline / pharmacology*
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Rickettsia Infections*
Substances
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Erythromycin
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Chloramphenicol
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Chlortetracycline
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Oxytetracycline