Montanari, Linda and Serafini, Marco and Maffli, Etienne and Busch, Martin and Kontogeorgiou, Katerina and Kuijpers, Wil and Ouwehand, Anton and Pouloudi, Maria and Simon, Roland and Spyropoulou, Maria and Studnickova, Bela and Gyarmathy, V. Anna (2010) Gender and regional differences in client characteristics among substance abuse treatment clients in the Europe. Drugs: Education Prevention and Policy, 18, (1), pp. 24-31. 10.3109/09687637.2010.504199.