No abstract available
MeSH terms
-
Anesthesia*
-
Anesthesiology*
-
Humans
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Meperidine*
-
Morphine*
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Pain, Postoperative*
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Physician-Patient Relations*
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Placebos*
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Postoperative Care*
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Postoperative Complications*
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Preoperative Care*
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Psychotherapy*
Substances
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Placebos
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Morphine
-
Meperidine