@article{ref1,
title="Suicide in drug users?",
journal="Tijdschrift voor Ziekenverpleging",
year="1974",
author="Huizer, M.",
volume="27",
number="8",
pages="163-164",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0303-6456",
doi="",
url="http://dx.doi.org/"
}