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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Centers for Disease Control and Prevention, U.S.
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Chronic Pain / drug therapy*
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Drug Prescriptions / standards*
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Humans
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Practice Guidelines as Topic*
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Practice Patterns, Physicians' / standards*
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Primary Health Care / standards*
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United States