No abstract available
MeSH terms
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Adult
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Certification*
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Child
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Education, Medical, Continuing* / history
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History, 19th Century
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History, 20th Century
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Humans
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Neurology / education*
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Neurology / history*
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Neurosurgery / education*
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Neurosurgery / history*
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Russia
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Russia (Pre-1917)
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World Health Organization