@article{ref1,
title="Noninvasive evaluation of head trauma patients",
journal="Surgery",
year="1973",
author="Larson, S. J. and Sances, A. and Ackmann, J. J. and Reigel, D. H.",
volume="74",
number="1",
pages="34-40",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0039-6060",
doi="",
url="http://dx.doi.org/"
}