No abstract available
MeSH terms
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Analgesia, Epidural*
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Excitatory Amino Acid Antagonists / administration & dosage
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Excitatory Amino Acid Antagonists / therapeutic use*
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Humans
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Ketamine / administration & dosage
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Ketamine / therapeutic use*
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Pain, Postoperative / drug therapy*
Substances
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Excitatory Amino Acid Antagonists
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Ketamine