F. Güttinger

Cocaine Use in Europe – A Multi-Centre Study

M. Krausz, M. Gossop, J. Rehm, 2004, European Addiction Research.

Evaluating Long-Term Effects of Heroin-Assisted Treatment: The Results of a 6-Year Follow-Up

J. Rehm, A. Uchtenhagen, B. Schulte, 2003, European Addiction Research.

Cocaine Use in Europe – A Multi-Centre Study: Patterns of Use in Different Groups

M. Krausz, M. Gossop, J. Rehm, 2004, European Addiction Research.

Treatment of substance-related problems in Switzerland: implementing a new harmonised monitoring system

Susanne Schaaf, Marina Delgrande Jordan, E. Maffli, 2008, International Journal of Public Health.