@article{ref1,
title="Sport injuries in youths",
journal="Sozial und Praventivmedizin",
year="1975",
author="Biener, K.",
volume="20",
number="1",
pages="9-10",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0303-8408",
doi="",
url="http://dx.doi.org/"
}