harm reduction; AOD use, abuse, and dependence; illicit drug; intravenous drug user; HIV infection; Aids; needle distribution and exchange; international area; China; Hong Kong
AOD use, abuse, and dependence; chemical addiction; harm reduction; government and politics; public policy on AOD; opioids in any form; cocaine in any form; ecstasy; MDMA; alcohol; tobacco in any form; treatment and maintenance; diversity; criminal law; justice system; Canada; bibliography
viral hepatitis; hepatitis C; prevention; diagnosis; alcohol; chronic disease; treatment and maintenance; treatment side effects; HIV infection; United Kingdom; directory