@article{ref1,
title="Physiological monitoring of the head-injured patient",
journal="Clinical neurosurgery",
year="1982",
author="Levin, A. B. and Braun, S. R. and Grossman, J. E.",
volume="29",
number="",
pages="240-287",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0069-4827",
doi="",
url="http://dx.doi.org/"
}