@article{ref1,
title="The importance of early diagnosis of cardiac damage in obtuse traumatism of the precordial region",
journal="Accademia medica",
year="1953",
author="De marchi, G. and Bussa, D.",
volume="68",
number="11",
pages="372-4; discussion, 374",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="",
doi="",
url="http://dx.doi.org/"
}