@article{ref1,
title="Drug dependency research--expensive luxury or necessary commodity?",
journal="Canadian nurse, The",
year="1967",
author="Paulus, I.",
volume="63",
number="3",
pages="36-38",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-4581",
doi="",
url="http://dx.doi.org/"
}