No abstract available
MeSH terms
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Analgesics, Opioid / adverse effects
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Analgesics, Opioid / therapeutic use
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Narcotics / adverse effects
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Narcotics / therapeutic use*
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Pain, Intractable / drug therapy
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Palliative Care*
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Professional Practice / standards*
Substances
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Analgesics, Opioid
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Narcotics