@article{ref1,
title="Blunt lung injuries",
journal="Langenbecks archiv fur chirurgie",
year="1971",
author="Bernhard, A.",
volume="329",
number="",
pages="201-208",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0023-8236",
doi="",
url="http://dx.doi.org/"
}