No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Aged
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Analgesics, Opioid / therapeutic use*
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Female
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Humans
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Male
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Ontario / epidemiology
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Opioid-Related Disorders / epidemiology*
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Opioid-Related Disorders / etiology*
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Pain, Postoperative / drug therapy*
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Retrospective Studies
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Risk