No abstract available
MeSH terms
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Anesthesia, Epidural / adverse effects*
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Anesthesia, Obstetrical / adverse effects*
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Anesthesia, Spinal / adverse effects*
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Female
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Headache / chemically induced
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Headache / epidemiology*
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Humans
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Incidence
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Obesity, Morbid / complications*
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Pregnancy
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Spinal Puncture / adverse effects*