No abstract available
MeSH terms
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Cephaloridine / therapeutic use
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Erythromycin / therapeutic use
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Humans
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Penicillins / therapeutic use*
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Tetracycline / therapeutic use
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Tonsillitis / drug therapy*
Substances
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Penicillins
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Erythromycin
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Tetracycline
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Cephaloridine