@article{ref1,
title="Head injuries: aspects and problems",
journal="Medical annals of the District of Columbia",
year="1963",
author="Ommaya, A. K.",
volume="32",
number="",
pages="18-22",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-6986",
doi="",
url="http://dx.doi.org/"
}