english paper, thanks

http://www.ncbi.nlm.nih.gov/pubmed/17132577
[size=0.8465em]Drug Alcohol Rev. 2006 Nov;25(6):611-24.
A review of the efficacy and effectiveness of harm reduction strategies for alcohol, tobacco and illicit drugs.[size=0.923em]Ritter A, Cameron J.
[size=0.8465em]Source

Australian National University, Canberra, Australian Capital Territory, Australia. alison.ritter@anu.edu.au