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2. International Narcotics Control Board (2016) Reported of the International Narcotics Control Board for 2016. International Narcotics Control Board, Vienna (ISBN: 978-92-1-148289-8; eISBN: 978-92-1-060065-1)
3. SAMHSA Drug Abuse Warning Network (2013) 2011: national estimates of drug-related emergency department visits. HHS Publication No. (SMA) 13-4760 DAWN Series D-39, Rockville
4. Centers for Disease Control and Prevention (CDC) (2017) Annual surveillance report of drug-related risks and outcomes: United States, 2017. Surveillance special report 1. CDC, U.S. Department of Health and Human Services, Atlanta
5. SAMHSA. Center for Behavioral Health Statistics and Quality (2016) Treatment episode data set (TEDS): 2004–2014. National admissions to substance abuse treatment services. BHSIS Series S-84, HHS Publication No. (SMA) 16-4986, SAMHSA, Rockville