@article{ref1,
title="Are elite soccer players more often injured?",
journal="Ugeskrift for Laeger",
year="2006",
author="Kreutzfeldt, Mogens and Gildhøj, Eilif Larsen",
volume="168",
number="51",
pages="4529-4529",
abstract="<p>[Abstract unavailable]</p> <p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}