@article{ref1,
title="The Illinois plan for a statewide system of trauma centers",
journal="Journal of trauma",
year="1973",
author="Boyd, D. R. and Dunea, M. M. and Flashner, B. A.",
volume="13",
number="1",
pages="24-31",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}