Harm reduction: evidence, impacts and challenges (2010)
Addiction neurobiology: ethical and social implications (2009)
A cannabis reader: global issues and local experiences: Volume 1 (2008)
A cannabis reader: global issues and local experiences: Volume 2 (2008)
Hepatitis C and injecting drug use: impact, costs and policy options (2004)
Modelling drug use: methods to quantify and understand hidden processes (2001)
Evaluation: a key tool for improving drug prevention (2000)
Understanding and responding to drug use: the role of qualitative research (2000)
Evaluating the treatment of drug abuse in the European Union (1998)
Evaluating drug prevention in the European Union (1998)
Estimating the prevalence of problem drug use in Europe (1997)