No abstract available
MeSH terms
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Analgesics, Opioid / administration & dosage*
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Analgesics, Opioid / adverse effects
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Humans
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North America
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Opioid-Related Disorders / prevention & control*
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Pain / drug therapy*
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Practice Patterns, Physicians'
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Prescription Drugs / administration & dosage*
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Prescription Drugs / adverse effects
Substances
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Analgesics, Opioid
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Prescription Drugs