No abstract available
MeSH terms
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Analgesics*
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Female
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Guaifenesin / pharmacology*
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Humans
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Injections, Intravenous
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Labor, Obstetric / drug effects*
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Muscles*
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Oxytocin / pharmacology
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Pregnancy
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Uterus / drug effects*
Substances
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Analgesics
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Guaifenesin
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Oxytocin