@article{ref1,
title="Patterns of drug overdose",
journal="Nursing times",
year="1982",
author="Walsh, M. H.",
volume="78",
number="7",
pages="275-278",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0954-7762",
doi="",
url="http://dx.doi.org/"
}