No abstract available
MeSH terms
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Analgesia, Epidural / instrumentation
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Analgesia, Epidural / methods*
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Anesthesia, Local / instrumentation
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Anesthesia, Local / methods
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Catheterization / adverse effects
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Catheterization / instrumentation
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Catheterization / methods*
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Contraindications, Procedure
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Humans
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Lumbar Vertebrae* / anatomy & histology
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Lumbar Vertebrae* / diagnostic imaging
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Ultrasonography