@article{ref1,
title="Social costs of sports injuries",
journal="British journal of sports medicine",
year="1980",
author="Sørensen, C. H. and Sonne-Holm, S.",
volume="14",
number="1",
pages="24-25",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0306-3674",
doi="",
url="http://dx.doi.org/"
}