@article{ref1,
title="Highway safety requires safe highways",
journal="Rocky Mountain medical journal",
year="1970",
author="Campbell, H. E.",
volume="67",
number="8",
pages="64-66",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-760X",
doi="",
url="http://dx.doi.org/"
}