@article{ref1,
title="Tibial head fractures caused by apparent "casual causes"",
journal="Archiv fur Orthopadische und Unfall-Chirurgie",
year="1970",
author="Greinemann, H.",
volume="68",
number="1",
pages="79-87",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0003-9330",
doi="",
url="http://dx.doi.org/"
}