@article{ref1,
title="Myocardial contusion",
journal="Archives of internal medicine",
year="1965",
author="DeMuth, W. E. and Zinsser, H. F.",
volume="115",
number="",
pages="434-442",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9926",
doi="",
url="http://dx.doi.org/"
}