@article{ref1,
title="Visual manifestations of head injuries",
journal="Treatment services bulletin",
year="1949",
author="Hill, J. C.",
volume="4",
number="5",
pages="3-12",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}