@article{ref1,
title="Physiological anthropology, human biology, and modern human variation",
journal="Journal of physiological anthropology",
year="2006",
author="Crews, Douglas E.",
volume="25",
number="1",
pages="63-65",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1880-6791",
doi="",
url="http://dx.doi.org/"
}