1. Word Health Organization—WHO, Framework for alcohol policy in the WHO European Region, WHO Europe, 2006.
2. European Comisin—EU, Attitudes towards alcohol, Report, Special Eurobarometer, EC, 2007.
3. Spanish Ministry of Health, National Drug Observatory Reports, 2008, Retrieved 13th November 2008 from: http://www.pnsd.msc.es/Categoria2/observa/estudios/home.htm.
4. Raves, clubs and ecstasy: the impact of peer pressure;Song;Mathematical Biosciences and Engineering,2006
5. Heroin epidemics, treatment and ODE modeling;White;Mathematical Biosciences,2007