@article{ref1,
title="Symptomless, severe internal thoracic injuries",
journal="Hefte zur Unfallheilkunde",
year="1966",
author="Giebel, M. G.",
volume="87",
number="",
pages="109-111",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}