@article{ref1,
title="Trauma center utilization in Illinois: a report from the Illinois trauma study",
journal="Emergency medical services",
year="1980",
author="Goldberg, J. and Gelfand, H. M. and Levy, P. S. and Mullner, R. and Boren, J. and Iverson, N.",
volume="9",
number="4",
pages="34-7, 39",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-6575",
doi="",
url="http://dx.doi.org/"
}