@article{ref1,
title="Myocardial contusion during boxing",
journal="American journal of cardiology",
year="1993",
author="Cousteau, J. P.",
volume="71",
number="5",
pages="493-493",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9149",
doi="",
url="http://dx.doi.org/"
}