@article{ref1,
title="Incidence of athletic injuries and their significance as causes for sick leave",
journal="Tidsskrift for den Norske Laegeforening",
year="1955",
author="Andersen, K. L. and Holen, Are",
volume="75",
number="20",
pages="715-7; passim",
abstract="<p>[Abstract unavailable]</p><p>Language: no</p>",
language="no",
issn="0029-2001",
doi="",
url="http://dx.doi.org/"
}