@article{ref1,
title="Tug o'war--a dangerous sport",
journal="Tandlaegebladet",
year="1981",
author="Pedersen, S. S. and Holst, E.",
volume="85",
number="6",
pages="187-190",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0039-9353",
doi="",
url="http://dx.doi.org/"
}