@article{ref1,
title="Observation of the alert, conscious patient with closed head injury",
journal="Arizona medicine",
year="1980",
author="Karpman, R. R. and Weinstein, P. R. and Silverstein, M. E. and Hughes, J.",
volume="37",
number="11",
pages="772-775",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-1556",
doi="",
url="http://dx.doi.org/"
}