@article{ref1,
title="Injuries in Norwegian medium- and longdistance runners. A 4-years material",
journal="Tidsskrift for den Norske Laegeforening",
year="1974",
author="Bjorholt, G. and Nilsson, S. and Roaas, A.",
volume="94",
number="15",
pages="959-962",
abstract="<p>[Abstract unavailable]</p><p>Language: no</p>",
language="no",
issn="0029-2001",
doi="",
url="http://dx.doi.org/"
}