@article{ref1,
title="Opioid overdose: an international perspective",
journal="Addiction",
year="1999",
author="Donoghoe, M. C.",
volume="94",
number="11",
pages="1745-1746",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0965-2140",
doi="",
url="http://dx.doi.org/"
}