@article{ref1,
title="Studies on head injury",
journal="British medical bulletin",
year="1954",
author="Russell, W. R.",
volume="10",
number="1",
pages="65-68",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1420",
doi="",
url="http://dx.doi.org/"
}