No abstract available
Keywords:
Causal inference; drug policy; ecological studies; medical cannabis laws; opioid crisis; opioid overdose deaths.
MeSH terms
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Analgesics, Opioid
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Cannabis*
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Hallucinogens*
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Humans
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Medical Marijuana*
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Opioid-Related Disorders*
Substances
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Analgesics, Opioid
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Hallucinogens
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Medical Marijuana