@article{ref1,
title="Injuries and damage from sports",
journal="Landarzt",
year="1964",
author="Groh, H.",
volume="40",
number="33",
pages="1424-1429",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0023-7728",
doi="",
url="http://dx.doi.org/"
}