@article{ref1,
title="Copper sulfate overdose",
journal="Journal of emergency nursing",
year="1981",
author="Holleran, R. S.",
volume="7",
number="4",
pages="136-137",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0099-1767",
doi="",
url="http://dx.doi.org/"
}