No abstract available
Publication types
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Comment
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Comparative Study
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Letter
MeSH terms
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Analgesia, Epidural / methods*
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Analgesics, Opioid / administration & dosage*
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Aortic Aneurysm, Abdominal / surgery*
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Humans
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Lumbosacral Region
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Pain, Postoperative / drug therapy*
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Thorax