No abstract available
Publication types
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Biography
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Historical Article
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Letter
MeSH terms
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Anesthesia, Spinal / history*
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Anesthesia, Spinal / instrumentation
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Anesthesiology / history
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Anesthesiology / instrumentation
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Catheters, Indwelling / history*
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History, 20th Century
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Humans
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Needles / history*
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United States