Working paper 1. APR 2010 Cognitive behavioral therapy for young people in outpatient treatment for illicit non-opiod druguse Authors: Krystyna KowalskiPernille Skovbo ChristensenLars BenjaminsenAnne-Marie Klint Jørgensen Authors Krystyna KowalskiPernille Skovbo ChristensenLars BenjaminsenAnne-Marie Klint Jørgensen