@article{ref1,
title="Principles of the malicious use of infectious agents to create terror: reasons for concern for organisms of the genus Rickettsia",
journal="Annals of the New York Academy of Sciences",
year="2003",
author="Walker, David H.",
volume="990",
number="",
pages="739-742",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="",
url="http://dx.doi.org/"
}