@article{ref1,
title="Head injuries",
journal="Med J Southwest",
year="1957",
author="Alexander, G. L.",
volume="72",
number="3",
pages="91-97",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0369-0458",
doi="",
url="http://dx.doi.org/"
}