@article{ref1,
title="Large caliber missile wound of the heart",
journal="United States Armed Forces medical journal",
year="1953",
author="Nelson, A. R. and Zuska, J. J.",
volume="4",
number="7",
pages="1083-1087",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0566-0777",
doi="",
url="http://dx.doi.org/"
}