@techreport{6043dce3ffda491e956353489270d951,
title = "Methodology used in a systematic review of evidence on the prevalence of heroin/opioids use and dependence",
author = "Paul Nelson and Jennifer McLaren and Louisa Degenhardt and Chiara Bucello and Bianca Calabria and Anna Roberts and Christina Briegleb and Nico Clark and Lucas Wiessing",
year = "2009",
language = "English",
publisher = "NATIONAL DRUG AND ALCOHOL RESEARCH CENTRE",
type = "WorkingPaper",
institution = "NATIONAL DRUG AND ALCOHOL RESEARCH CENTRE",
}