@article{ref1,
title="Evaluation of shoulder injuries in the Federal Republic of Germany",
journal="Hefte zur Unfallheilkunde",
year="1975",
author="Arens, W.",
volume="",
number="126",
pages="195-197",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}