Medical Cannabis Laws and Opioid Analgesic Overdose Mortality in the United States, 1999-2010

Medical Cannabis Laws and Opioid Analgesic Overdose Mortality in the United States, 1999-2010

http://theroc.us/researchlibrary/Medical%20Cannabis%20Laws%20and%20Opioid%20Analgesic%20Overdose%20Mortality%20in%20the%20United%20States,%201999-2010.pdf