No abstract available
Publication types
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Letter
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
MeSH terms
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Anesthesia, Spinal / methods
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Anesthetics, Local / administration & dosage
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Anesthetics, Local / pharmacokinetics
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Catheterization / methods*
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Humans
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Lumbosacral Plexus / diagnostic imaging*
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Prone Position
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Psoas Muscles / diagnostic imaging
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Ultrasonography