@article{ref1,
title="The challenge of biological and chemical weapons",
journal="Bulletin of The World Health Organization",
year="1999",
author="Meselson, M.",
volume="77",
number="2",
pages="102-103",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0042-9686",
doi="",
url="http://dx.doi.org/"
}