@article{ref1,
title="A defensive strategy",
journal="Nature",
year="2005",
author="Lok, Corie",
volume="437",
number="7063",
pages="1392-1393",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-0836",
doi="",
url="http://dx.doi.org/"
}