@article{ref1,
title="Medial femur neck fracture. Classification and therapy",
journal="Unfallchirurg",
year="1986",
author="Kahl, C.",
volume="89",
number="2",
pages="57-61",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0177-5537",
doi="",
url="http://dx.doi.org/"
}