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2. Monitoring the Future national survey results on drug use, 1975–2014: Volume I Secondary school students;RA Miech,2015
3. Toward a global view of alcohol, tobacco, cannabis, and cocaine use: Findings from the WHO World Mental Health Survey;L Degenhardt;PLOS Medicine,2008
4. The Effects of Regular Cannabis Use on Neurocognition in Adolescents and Young Adults;KM Lisdahl;Curr Addict Rep,2014
5. Monitoring the Future national survey results on drug use, 1975–2012: Volume 1, Secondary school students;LD Johnston,2013