No abstract available
MeSH terms
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Analgesia*
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Anesthesia and Analgesia*
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Anesthesia*
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Arsenicals / blood*
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Blood*
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Female
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Humans
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Infant, Newborn / blood
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Labor, Obstetric*
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Meperidine / pharmacology*
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Oxygen*
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Pregnancy
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Scopolamine / pharmacology*
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Trichloroethylene / pharmacology*
Substances
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Arsenicals
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Trichloroethylene
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Meperidine
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Scopolamine
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oxophenarsine
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Oxygen