No abstract available
MeSH terms
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Anti-Bacterial Agents / history*
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Anti-Bacterial Agents / therapeutic use
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History, 20th Century
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Humans
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Penicillin Resistance
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Penicillins / history*
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Penicillins / therapeutic use
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Syphilis / drug therapy
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Syphilis / history*
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Syphilis / mortality
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Syphilis / prevention & control
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Treponema pallidum
Substances
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Anti-Bacterial Agents
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Penicillins