No abstract available
Publication types
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Biography
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Historical Article
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Portrait
MeSH terms
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Anesthesia, Conduction / history*
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Anesthesia, Conduction / methods*
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Anesthesiology / education
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Anesthesiology / history
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Audiovisual Aids* / history
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History, 20th Century
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Spinal Cord / anatomy & histology
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Teaching Materials
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United States