@article{ref1,
title="Problems of facial soft tissue injury",
journal="HNO",
year="1973",
author="Walter, C.",
volume="21",
number="6",
pages="182-186",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0017-6192",
doi="",
url="http://dx.doi.org/"
}