@article{ref1,
title="Injuries among physically active people",
journal="Tidsskrift for den Norske Laegeforening",
year="1980",
author="Nilsson, S.",
volume="100",
number="12B",
pages="819-823",
abstract="<p>[Abstract unavailable]</p><p>Language: no</p>",
language="no",
issn="0029-2001",
doi="",
url="http://dx.doi.org/"
}