TY - GEN AU - Leus, Edith AU - Walckiers, Denise TI - Early warning system on drugs at public health level in Belgium : progress report November 2002 [PDF] T2 - IPH/EPI reports 2002-029 PY - 2002/// CY - Brussels PB - BIRN KW - Belgiƫ KW - drugs KW - early warning system KW - onderzoeksrapporten N1 - PDF beschikbaar in de bibliotheek UR - http://www.iph.fgov.be/epidemio/epinl/index15.htm ER -