@article{ref1,
title="Toxicology. Questions swirl over knockout gas used in hostage crisis",
journal="Science",
year="2002",
author="Enserink, Martin and Stone, Richard",
volume="298",
number="5596",
pages="1150-1151",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8075",
doi="10.1126/science.298.5596.1150",
url="http://dx.doi.org/10.1126/science.298.5596.1150"
}