@article{ref1,
title="Concordance versus correlation",
journal="Annals of emergency medicine",
year="1993",
author="Lowenstein, Steven R. and Koziol-McLain, Jane and Badgett, R. G.",
volume="22",
number="2",
pages="269-269",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}