No abstract available
MeSH terms
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Anesthesia, Epidural*
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Anesthesia, Obstetrical*
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Bupivacaine*
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Drug Combinations
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Female
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Fentanyl / analogs & derivatives*
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Humans
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Labor, Obstetric*
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Pregnancy
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Sufentanil
Substances
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Drug Combinations
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Sufentanil
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Fentanyl
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Bupivacaine