@article{ref1,
title="Measuring trauma severity: the ESP index",
journal="Health services research",
year="1978",
author="Krischer, J. P.",
volume="13",
number="1",
pages="61-65",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0017-9124",
doi="",
url="http://dx.doi.org/"
}