TY - GEN ED - European Monitoring Centre for Drugs and Drug Addiction [EMCDDA] TI - Annual report on the state of the drugs problem in the European Union : 1997 PY - 1997/// CY - Lisboa PB - EMCDDA KW - beleid KW - drugs KW - epidemiologie KW - Europa KW - onderzoeksrapporten KW - preventie ER -