@article{ref1,
title="Outcome index for head-injured patients",
journal="Journal of neurosurgery",
year="1978",
author="Langfitt, T. W.",
volume="49",
number="5",
pages="777-778",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3085",
doi="",
url="http://dx.doi.org/"
}