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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Analgesics, Opioid / therapeutic use*
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Chronic Pain / drug therapy*
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Dose-Response Relationship, Drug
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Drug Monitoring / standards*
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Humans
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Opioid-Related Disorders / prevention & control*
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Pain Measurement / standards
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Primary Health Care / standards
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Treatment Outcome