TY - GEN ED - Belgian Information Reitox Network [BIRN] TI - Recent evolution in illicit drug use in Flemish and French communities of Belgium T2 - Belgian Information Reitox Network [BIRN] task PY - 1995/// CY - Brussel PB - [s.n.] KW - Belgiƫ KW - bevolkingsonderzoek KW - drugs KW - epidemiologie KW - onderzoeksrapporten KW - Vlaanderen KW - Walloniƫ ER -