@article{ref1,
title="University trauma center: operation, design and staffing",
journal="American surgeon",
year="1979",
author="Cowley, R. A. and Scanlan, E.",
volume="45",
number="2",
pages="79-85",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-1348",
doi="",
url="http://dx.doi.org/"
}