@article{Van Den Berg2007,
author = {Van Den Berg, C. and Smit, C. and Van Brussel, G. and Coutinho, R. and Prins, M.},
title= {Full participation in harm reduction programmes is associated with decreased risk for human immunodeficiency virus and hepatitis C virus: evidence from the Amsterdam Cohort Studies among drug users},
year = {2007},
doi = {10.1111/j.1360-0443.2007.01912.x},
journal = {Addiction (Abingdon, England)},
volume = {102},
number = {9},
pages = {1454--1462},
}