@article{ref1,
title="Minor head injury",
journal="Archives of disease in childhood",
year="1998",
author="Ball, R. and Williams, Carolyn J.",
volume="78",
number="1",
pages="96-96",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0003-9888",
doi="",
url="http://dx.doi.org/"
}