Authors: Matos, Elena Gomes de, Kraus, L., Pabst, A. & Piontek, D.Keywords: substance, adolescents, federal states, trendsAdded: Ludwig Kraus 08/07/2015 View article / document (160.62 KB)Publishing year: 2014Volume: 60Number: 3Pages: 163–172Type of Document: Peer reviewed article/paperDocument language: German