1. Dhein S, Schmelmer K, Guenther J, Salameh A. Aspects of methamphetamine abuse in adolescents and young adults in a Thuringian County. Eur Addict Res. 2018;24(2):98–105.
2. Werse B, Müller O, Carsten Schell C, Morgenstern C. Drogentrends in Frankfurt am Main. Frankfurt: Centre for Drug Research, Goethe-Universität; 2010. Available from:.
3. Miller PM, Plant M. Drinking, smoking, and illicit drug use among 15 and 16 year olds in the United Kingdom. BMJ. 1996 Aug 17;313(7054):394–7.
4. Grotenhermen F, Müller-Vahl K. The therapeutic potential of cannabis and cannabinoids. Dtsch. Ärzteblatt Int. 2012;109(29–30):495–501.
5. Grant JE, Chamberlain SR, Schreiber L, Odlaug BL. Neuropsychological deficits associated with cannabis use in young adults. Drug Alcohol Depend. 2012;121(1–2):159–62.