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[English publications and Dutch publications with English summaries are shown here.For a full overview of publications, please refer to the  Dutch section of our website.]​

Korf, D.J. (2013) New developments and current debates in social drug research: an introduction. In: Fountain, J., Wouters, M. & Korf D.J. (Eds.) Snapshots of social drug research in Europe. Lengerich: Pabst Science Publishers, pp. 7-14.

Benschop, A. & Oteo Peréz, A. (2013) Ethnic- and gender-specific patterns of substance use. In: Fountain, J., Wouters, M. & Korf D.J. (Eds.) Snapshots of social drug research in Europe. Lengerich: Pabst Science Publishers, pp. 32-34.

Wouters, M. (2013) Raising the minimum age for coffee shop customers: effect on prevalence. In: Fountain, J., Wouters, M. & Korf D.J. (Eds.) Snapshots of social drug research in Europe. Lengerich: Pabst Science Publishers, pp. 48-50.

This is the European Society for Social Drug Research’s annual book, with  21 ‘snapshots’, by social scientists working in 11 European countries. Globalisation influences not only legitimate economic sectors, but also affects developments on the illicit drug market and the proportion of those in treatment who are members of minority ethnic populations. Recent years show an almost exponential increase in the use of online data collection and analysis in social drug research and, in some European countries faster than in others, research ethic committees have come to play an important role in social drug research.

Fountain, J., Wouters, M. & Korf D.J. (Eds.) (2013) Snapshots of social drug research in Europe. Lengerich: Pabst Science Publishers.

Liebregts, N., Van der Pol, P., Van Laar, M., De Graaf, R., Van den Brink, W. & Korf, D.J. (2013) The role of parents, peers and partners in cannabis use and dependence trajectories among young adult frequent users. Contemporary Drug Problems, 40: 531-568.

Korf, D.J., Nabben, T., Benschop, A., Ribbink, K. & Van Amsterdam, J.G.C. (2013) Risk Factors of y-Hydroxybutyrate Overdosing. European Addiction Research, 20(2): 66-74.

[DOI: 10.1159/000353237]

Van der Pol, P., Liebregts, N., De Graaf, R., Korf, D.J., Van den Brink, W. & Van Laar, M. (2013) Facilitators and barriers in treatment seeking for cannabis dependence. Drug and Alcohol Dependence, 133(2): 776–780.

[DOI: 10.1016/j.drugalcdep.2013.08.011]

Liebregts, N., Van der Pol, P., Van Laar, M., De Graaf, R., Van den Brink, W. & Korf, D.J. (2013) The Role of Study and Work in Cannabis Use and Dependence Trajectories among Young Adult Frequent Cannabis Users. Frontiers in Psychiatry, 4: 85.

[DOI: 10.3389/fpsyt.2013.00085]

Van der Pol, P., Liebregts, N., De Graaf, R., Korf, D.J., Van den Brink, W. & Van Laar, M. (2013) Predicting the transition from frequent cannabis use to cannabis dependence: a three-year prospective study. Drug and Alcohol Dependence,  133(2): 352-359.

[DOI: 10.1016/j.drugalcdep.2013.06.009]

Benschop, A., Nabben, T. & Korf, D.J. (2013) Drugs use trends in nightlife and youth services in Amsterdam, 2012. Bonger International Bulletin, 3(2), 1-4.

Since 1993, Amsterdam Antenna has collected qualitative and quantitative data in order to document and analyse trends in substance use among adolescents and young adults in the city. In 2012, trendsetters within the nightlife scene are mainly using stimulating drugs. Ecstasy remains the most popular drug in the field, yet the risk of coming across a pill with a dangerously high dosage is bigger than ever before. For young people in the youth services the use of recreational substances is chiefly limited to drinking alcohol and smoking cigarettes or joints. [DUTCH PUBLICATION WITH ENGLISH SUMMARY]

Benschop, A., Nabben, T. & Korf, D.J. (2013) Antenne 2012: Trends in alcohol, tabak en drugs bij jonge Amsterdammers. Amsterdam: Rozenberg Publishers.

As of May 2012, coffee shops in the provinces of Limburg, Noord-Brabant and Zeeland were only permitted to give access and to sell cannabis products to members and hence needed to maintain a verifiable members’ list, and only residents of the Netherlands aged 18 and over were permitted to become a member. This is an interim evaluation of the implementation of the new coffee shop policy over the period May to November 2012. [DUTCH PUBLICATION WITH ENGLISH SUMMARY] 

Van Ooyen-Houben, M.M.J., Bieleman, B. & Korf, D.J. (Eds.) (2013) Het Besloten club- en het Ingezetenencriterium voor coffeeshops. Evaluatie van de implementatie en de uitkomsten in de periode mei-november 2012. Den Haag: WODC.

Oteo Peréz, A., Benschop, A. & Korf, D.J. (2013) Buying and Selling Crack: Transactions at the Retail Level and the Role of User-Sellers. Journal of Drug Issues, 44(1) 56-68.

[DOI: 10.1177/0022042613491105]

Van der Pol, P., Liebregts, N., De Graaf, R., Korf, D.J., Van den Brink, W. & Van Laar, M. (2013) Reliability and validity of the Severity of Dependence Scale for detecting cannabis dependence in frequent cannabis users. International Journal of Methods in Psychiatric Research, 22(2): 138-143.

[DOI: 10.1002/mpr.1385]

Van der Pol, P., Liebregts, N., De Graaf, R., Korf, D.J., Van den Brink, W. & Van Laar, M. (2013) Validation of self-reported cannabis dose and potency: an ecological study. Addiction, 108(10): 1801-1808.

[DOI: 10.1111/add.12226]

Van der Pol, P., Liebregts, N., De Graaf, R., Ten Have, M., Korf, D.J., Van den Brink, W., & Van Laar, M. (2013) Mental health differences between frequent cannabis users with and without dependence and the general population. Addiction, 108(8): 1459-1469.

[DOI: 10.1111/add.12196]

Oteo Pérez, A., Cruyff, M.J.L.F., Benschop, A. & Korf, D.J. (2013) Estimating the Prevalence of Crack Dependence Using Capture-Recapture With Institutional and Field Data: A Three-City Study in the Netherlands. Substance Use & Misuse, 48(1-2): 173–180.

[DOI:10.3109/10826084.2012.748073]

In her dissertation, Marije Wouters addresses the following questions: What consequences have formal changes in the Dutch cannabis policy since the middle of the 1990s had for the legal regulation of the cannabis market in practice? And how and to what extent do these developments relate to (developments at) the supply side of the cannabis market, the sale of cannabis at consumer level, and the consumption of other drugs?

Wouters, M. (2013) Cannabis Control - Consequences for consumption and cultivation. Amsterdam: Rozenberg Publishers.