@article{ref1,
title="CDC: be alert to symptoms associated with bioterrorism",
journal="Report on medical guidelines and outcomes research",
year="2001",
author="Levenson, D.",
volume="12",
number="21",
pages="1-2, 5",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1050-5636",
doi="",
url="http://dx.doi.org/"
}