@article{ref1,
title="Associated injuries in head injured patients",
journal="Journal of trauma",
year="1967",
author="Irving, M. H. and Irving, P. M.",
volume="7",
number="4",
pages="500-511",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}