Anfonwch hwn fel neges destun: DRUGS AND ILLUSIONS. EN: DE LA REDUCTION DES RISQUES AUX SERVICES MULTIDISCIPLINAIRES INTEGRES (EXTRAITS DE CONGRES EUROPEEN, ROME 9-10 DECEMBRE 1999) / FROM HARM REDUCTION TO INTEGRATED MULTIDISCIPLINARY SERVICES (EXTRACTS OF EUROPEAN MEETING, ROME 9-10 DECEMBRE 1999)