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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: JAMA Intern Med. 2014 Oct;174(10):1668–1673. doi: 10.1001/jamainternmed.2014.4005

Figure 2. Association Between Medical Cannabis Laws and Opioid Analgesic Overdose Mortality in Each Year After Implementation of Laws in the United States, 1999–2010.

Figure 2

Point estimate of the mean difference in the opioid analgesic overdose mortality rate in states with medical cannabis laws compared with states without such laws; whiskers indicate 95% CIs.