No abstract available
MeSH terms
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Analgesia
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Analgesics, Opioid
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Anesthetics, Local
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Arthroplasty, Replacement, Knee
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Bupivacaine*
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Double-Blind Method
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Humans
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Injections, Spinal
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Morphine*
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Pain Management
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Pain, Postoperative
Substances
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Analgesics, Opioid
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Anesthetics, Local
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Morphine
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Bupivacaine