MercèBalcells Grup de Recerca en Addiccions Clínic (GRAC) IDIBAPS, Hospital Clínic Barcelona Barcelona, Spain In programme November 24 16:50 to 18:20 View hours & dates Hours & Dates Thursday, 24 November 16:50 Oral presentation 4. Pros and Cons of Group Therapy for Cannabis Use Disorders: Is it an opportunity for cultural adaptation? 16:50 to 18:20 Knowledge market 4 (K4) Mercè Balcells