@article{ref1,
title="Drug-related aggression among injecting drug users",
journal="New South Wales public health bulletin",
year="2006",
author="Black, Emma and Degenhardt, Louisa",
volume="17",
number="1-2",
pages="12-16",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1034-7674",
doi="",
url="http://dx.doi.org/"
}