@article{ref1,
title="Improving knowledge on law enforcement in drug policy",
journal="International journal on drug policy",
year="2017",
author="Ritter, Alison and Stevens, Alex",
volume="41",
number="",
pages="89-90",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0955-3959",
doi="10.1016/j.drugpo.2017.02.001",
url="http://dx.doi.org/10.1016/j.drugpo.2017.02.001"
}