@article{ref1,
title="Matters of importance",
journal="Journal of the American Academy of Orthopaedic Surgeons",
year="2002",
author="Levine, Alan M.",
volume="10",
number="1",
pages="5-5",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1067-151X",
doi="",
url="http://dx.doi.org/"
}