@article{ref1,
title="Contribution on the dislocation of the hip joint with simultaneous fracture of the femur head",
journal="Archiv fur Orthopadische und Unfall-Chirurgie",
year="1966",
author="Kollmann, K.",
volume="59",
number="4",
pages="312-315",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0003-9330",
doi="",
url="http://dx.doi.org/"
}