No abstract available
MeSH terms
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Analgesics, Opioid / history
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Analgesics, Opioid / therapeutic use*
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Chronic Pain / classification*
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Chronic Pain / drug therapy
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Chronic Pain / psychology
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Combined Modality Therapy
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Diagnosis, Dual (Psychiatry)
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History, 20th Century
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Humans
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Mental Disorders / complications
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Opioid-Related Disorders
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Pain Measurement*
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Substance-Related Disorders / complications
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United States