@article{ref1,
title="Head injuries in boxing",
journal="International surgery",
year="1971",
author="Elia, J. C.",
volume="56",
number="5",
pages="334-343",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0020-8868",
doi="",
url="http://dx.doi.org/"
}