TY - BOOK ED - EUROPEAN MONITORING CENTRE FOR DRUGS AND DRUG ADDICTION TI - An overview of cannabis potency in Europe T2 - EMCDDA Insights VL - 6 SN - 9291681849 PY - 2004/// CY - Luxembourg PB - Office for Official Publications of the European Communities KW - COMBATE À DROGA KW - TRÁFICO DE CANNABIS KW - CANNABIS KW - EMCDDA KW - OEDT KW - EUROPA ER -