@article{ref1,
title="Femur head fracture and its prognosis",
journal="Zeitschrift fur Unfallchirurgie, Versicherungsmedizin und Berufskrankheiten",
year="1984",
author="Engelhardt, P. and Jaberg, H.",
volume="77",
number="3",
pages="153-156",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0254-6310",
doi="",
url="http://dx.doi.org/"
}