@article{ref1,
title="American Association of Physical Anthropologists meeting. Tracking the evolutionary history of a "warrior" gene",
journal="Science",
year="2004",
author="Gibbons, Ann",
volume="304",
number="5672",
pages="818-818",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8075",
doi="10.1126/science.304.5672.818a",
url="http://dx.doi.org/10.1126/science.304.5672.818a"
}