No abstract available
MeSH terms
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Analgesia*
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Anesthetics, Local / administration & dosage
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Bupivacaine / administration & dosage
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Humans
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Mepivacaine / administration & dosage
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Nerve Block*
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Pain, Postoperative / prevention & control*
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Thoracotomy / adverse effects*
Substances
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Anesthetics, Local
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Mepivacaine
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Bupivacaine