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Frequency of cannabis and illicit opioid use among people who use drugs and report chronic pain: A longitudinal analysis
Lake S,
Walsh Z,
Kerr T,
Cooper ZD,
Buxton J,
et al.
(2019)
Frequency of cannabis and illicit opioid use among people who use drugs and report chronic pain: A longitudinal analysis.
PLOS Medicine 16(11): e1002967.
https://doi.org/10.1371/journal.pmed.1002967