@article{ref1,
title="Professional boxing and the doctor",
journal="British medical journal: BMJ",
year="1955",
author="Graham, J. W.",
volume="1",
number="4907",
pages="219-221",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}