@article{ref1,
title="Theophylline poisoning",
journal="American journal of emergency medicine",
year="1986",
author="Hoffman, J. R.",
volume="4",
number="2",
pages="199-199",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0735-6757",
doi="",
url="http://dx.doi.org/"
}