No abstract available
MeSH terms
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Anti-Bacterial Agents / history*
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Anti-Bacterial Agents / pharmacology
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Bacteria / drug effects
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Cephalosporins / chemical synthesis
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Chemistry
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History, 20th Century
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Molecular Conformation
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Penicillins / history
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Stereoisomerism
Substances
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Anti-Bacterial Agents
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Cephalosporins
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Penicillins