TY - JOUR TI - Socio-demographic Differences, Patterns of Use and Drop-out from Greek Drug-free Treatment Programmes AU - CHARALAMPOS POULOPOULOS AU - ANNA TSIBOUKLI JO - Drugs: Education, Prevention and Policy PY - 1999 VL - 6 TODO - 1 SP - 99--110 PB - Informa UK Limited SN - null TODO - 10.1080/09687639997322 TODO - null TODO - null ER -