@article{ref1,
title="Injuries of the hip joint area in children",
journal="Fortschritte der Medizin",
year="1982",
author="Karpf, P. M. and Kratzer, M.",
volume="100",
number="3",
pages="56-65",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0015-8178",
doi="",
url="http://dx.doi.org/"
}