@article{ref1,
title="Head injuries",
journal="Clinical symposia (Summit, N.J. : 1957)",
year="1983",
author="Friedman, W. A.",
volume="35",
number="4",
pages="2-32",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-9295",
doi="",
url="http://dx.doi.org/"
}