No abstract available
MeSH terms
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Analgesia, Obstetrical / adverse effects*
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Analgesia, Patient-Controlled / adverse effects*
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Analgesics, Opioid / adverse effects*
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Female
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Humans
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Piperidines / adverse effects*
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Pregnancy
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Pregnancy Complications / chemically induced*
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Respiratory Insufficiency / chemically induced*
Substances
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Analgesics, Opioid
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Piperidines