@article{ref1,
title="Diaphragmatic ruptures due to blunt trauma",
journal="Hefte zur Unfallheilkunde",
year="1975",
author="Müller-Wiefel, H. and Voigt, J.",
volume="",
number="121",
pages="195-199",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}