@article{ref1,
title="Chemical warfare--the nerve gases",
journal="Middle East journal of anesthesiology",
year="1991",
author="Baraka, A.",
volume="11",
number="1",
pages="5-23",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0544-0440",
doi="",
url="http://dx.doi.org/"
}