No abstract available
Publication types
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Clinical Trial
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Comparative Study
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Randomized Controlled Trial
MeSH terms
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Administration, Oral
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Adult
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Aged
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Analgesia, Patient-Controlled*
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Analgesics, Opioid / administration & dosage*
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Female
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Humans
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Male
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Middle Aged
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Morphine / administration & dosage*
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Pain, Postoperative / drug therapy*
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Prospective Studies
Substances
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Analgesics, Opioid
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Morphine