TY - GEN AU - Waal, Helge TI - Patterns on the European drug scene : an exploration of differences : report based on the COST A6 project; Evaluation of Action Against Drugs in Europe, Working Group 1 : evaluation of policies, policy changes and societal response to policies SN - 8271712179 PY - 1998/// CY - Oslo PB - National Institute for Alcohol and Drug Research KW - aids KW - beleid KW - Belgiƫ KW - drugs KW - Duitsland KW - epidemiologie KW - Europa KW - mortaliteit KW - Nederland KW - onderzoeksrapporten KW - Verenigd Koninkrijk KW - Zweden ER -