No abstract available
MeSH terms
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Aged
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Analgesics, Opioid / administration & dosage*
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Epidural Space
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Headache / etiology
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Humans
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Hypotension / chemically induced
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Infections / etiology
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Injections, Spinal / adverse effects
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Male
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Pain, Postoperative / drug therapy*
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Pain, Postoperative / nursing
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Spinal Cord / drug effects