@article{ref1,
title="Diaphragm injuries",
journal="Pneumonologie",
year="1970",
author="Zängl, A.",
volume="143",
number="2",
pages="282-287",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0033-4073",
doi="",
url="http://dx.doi.org/"
}