@article{ref1,
title="About boxing: review of historical and medical aspects",
journal="Texas reports on biology and medicine",
year="1970",
author="Unterharnscheidt, F.",
volume="28",
number="4",
pages="421-495",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0040-4675",
doi="",
url="http://dx.doi.org/"
}