@article{ref1,
title="Injuries of the heart and thoracic aorta",
journal="Hefte zur Unfallheilkunde",
year="1965",
author="Kremer, K.",
volume="81",
number="",
pages="9-20",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}