@article{ref1,
title="A systems approach to statewide emergency medical care",
journal="Journal of trauma",
year="1973",
author="Boyd, D. R. and Mains, K. D. and Flashner, B. A.",
volume="13",
number="4",
pages="276-284",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}