@article{ref1,
title="Myocardial contusion after a professional boxing match",
journal="American journal of cardiology",
year="1992",
author="Bellotti, P. and Chiarella, F. and Domenicucci, S. and Lupi, G. and Vecchio, C.",
volume="69",
number="6",
pages="709-710",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9149",
doi="",
url="http://dx.doi.org/"
}