@article{ref1,
title="Drug overdose",
journal="Southern medical journal",
year="1972",
author="",
volume="65",
number="7",
pages="859-867",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-4348",
doi="",
url="http://dx.doi.org/"
}