@article{ref1,
title="Preattack vaccination against anthrax may be cost-effective in certain populations",
journal="Archives of internal medicine",
year="2008",
author="Hopkins, Robert J. and Waytes, Thomas A. and Zink, Thomas K.",
volume="168",
number="1",
pages="114-5; author reply 115",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9926",
doi="10.1001/archinternmed.2007.27",
url="http://dx.doi.org/10.1001/archinternmed.2007.27"
}