TY - GEN AU - Korf, Dirk J. AU - Riper, Heleen AU - Freeman, Marielle AU - Lewis, Roger AU - Grant, Ian AU - Jacob, Elisabeth AU - Mougin, Chantal AU - Nilson, Margareta TI - Outreach work among drug users in Europe : concepts, practice and terminology T2 - EMCDDA insight series SN - 9291680621 PY - 1999/// CY - Luxembourg PB - Office for Official Publications of the European Communities KW - drugs KW - Europa KW - hulpverlening KW - straathoekwerk KW - terminologie ER -