@article{ref1,
title="Knee injuries in the Oslo emergency ward",
journal="Tidsskrift for den Norske Laegeforening",
year="2003",
author="Kvakestad, Rune and Frihagen, Frede and Melhuus, Knut and Engebretsen, Lars",
volume="123",
number="3",
pages="322-324",
abstract="<p>[Abstract unavailable]</p><p>Language: no</p>",
language="no",
issn="0029-2001",
doi="",
url="http://dx.doi.org/"
}